diff --git a/addons/account/account_invoice_view.xml b/addons/account/account_invoice_view.xml
index 7c8f64ff659..6fe0182b584 100644
--- a/addons/account/account_invoice_view.xml
+++ b/addons/account/account_invoice_view.xml
@@ -202,7 +202,7 @@
                                 <field name="state"/>
                                 <field name="residual"/>
                                 <group col="3" colspan="4">
-                                    <button name="invoice_open" states="draft,proforma2" string="Validate" icon="terp-camera_test"/>
+                                    <button name="invoice_open" states="draft,proforma2" string="Approve" icon="terp-camera_test"/>
                                     <button name="%(action_account_invoice_pay)d" type='action' string='Pay Invoice' states='open' icon="gtk-ok"/>
                                     <button name="invoice_cancel" states="draft,proforma2,sale,open" string="Cancel" icon="terp-gtk-stop"/>
                                     <button name="action_cancel_draft" states="cancel" string="Set to Draft" type="object" icon="terp-stock_effects-object-colorize"/>
diff --git a/addons/account/account_view.xml b/addons/account/account_view.xml
index 21b13a244d8..1eb238fa04f 100644
--- a/addons/account/account_view.xml
+++ b/addons/account/account_view.xml
@@ -1059,7 +1059,7 @@
                     <field name="to_check" groups="base.group_extended"/>
                     <field name="amount"/>
                     <field name="state"/>
-                    <button name="button_validate" states="draft" string="Validate" type="object" icon="terp-camera_test"/>
+                    <button name="button_validate" states="draft" string="Approve" type="object" icon="terp-camera_test"/>
                 </tree>
             </field>
         </record>
@@ -1127,7 +1127,7 @@
                             <field name="narration" colspan="4" nolabel="1"/>
                             <field name="state" select="1"/>
                             <group col="2" colspan="2">
-                                <button name="button_validate" states="draft" string="Validate" type="object" icon="terp-camera_test"/>
+                                <button name="button_validate" states="draft" string="Approve" type="object" icon="terp-camera_test"/>
                                 <button name="button_cancel" states="posted" string="Cancel" type="object" icon="terp-gtk-stop"/>
                             </group>
                         </page>
diff --git a/addons/account/wizard/account_validate_move_view.xml b/addons/account/wizard/account_validate_move_view.xml
index 232a924dbd9..8c8284e3b11 100644
--- a/addons/account/wizard/account_validate_move_view.xml
+++ b/addons/account/wizard/account_validate_move_view.xml
@@ -16,7 +16,7 @@
                 <field name="period_id"/>
                 <group colspan="4" col="6">
                     <button icon="gtk-cancel" special="cancel" string="Cancel"/>
-                    <button icon="terp-camera_test" string="Validate" name="validate_move" type="object"/>
+                    <button icon="terp-camera_test" string="Approve" name="validate_move" type="object"/>
                </group>
                </form>
             </field>
@@ -47,7 +47,7 @@
               <form string="Validate Moves">
               <separator string="Validate Ledger Postings" colspan="4"/>
                   <button special="cancel" string="Cancel" icon="gtk-cancel"/>
-                <button name="validate_move_lines" string="Validate" type="object" icon="gtk-go-forward" default_focus="1"/>
+                <button name="validate_move_lines" string="Approve" type="object" icon="gtk-go-forward" default_focus="1"/>
             </form>
             </field>
         </record>
diff --git a/addons/account_budget/crossovered_budget_view.xml b/addons/account_budget/crossovered_budget_view.xml
index 81c5e67f961..c022eca0c68 100644
--- a/addons/account_budget/crossovered_budget_view.xml
+++ b/addons/account_budget/crossovered_budget_view.xml
@@ -148,7 +148,7 @@
                             <field name="state" select="1"/>
                             <group col="4" colspan="2">
                                 <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-apply" />
-                                <button string="Validate" name="validate" states="confirm" type="workflow" icon="gtk-ok"/>
+                                <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-ok"/>
                                 <button string="Done" name="done" states="validate" type="workflow"   icon="gtk-jump-to" />
                                 <button string="Cancel" name="cancel" states="confirm,validate" type="workflow" icon="gtk-cancel"/>
                                 <!--<button string="Set to Draft" name="action_set_to_draft" states="cancel" type="object"/>-->
@@ -181,7 +181,7 @@
                <search string="Budget">
                    <group col="20" colspan="4">
                        <filter string="Draft" icon="terp-document-new" domain="[('state','=','draft')]" help="Draft Budgets"  default="1"/>
-                       <filter string="To Validate" icon="terp-gtk-go-back-rtl" domain="[('state','=','validate')]" help="To Validate Budgets" />
+                       <filter string="To Approve" icon="terp-gtk-go-back-rtl" domain="[('state','=','validate')]" help="To Approve Budgets" />
                        <separator orientation="vertical"/>
                        <field name="name" select="1"/>
                        <field name="code" select="1" />
diff --git a/addons/account_payment/account_payment_view.xml b/addons/account_payment/account_payment_view.xml
index 29798d34b91..5ba248635ed 100644
--- a/addons/account_payment/account_payment_view.xml
+++ b/addons/account_payment/account_payment_view.xml
@@ -207,7 +207,7 @@
         </record>
 
         <record id="action_payment_order_open" model="ir.actions.act_window">
-            <field name="name">Payment Orders to Validate</field>
+            <field name="name">Payment Orders to Approve</field>
             <field name="res_model">payment.order</field>
             <field name="view_type">form</field>
             <field name="view_mode">tree,form</field>
diff --git a/addons/account_voucher/voucher_view.xml b/addons/account_voucher/voucher_view.xml
index cffa9baf683..09425fe4451 100644
--- a/addons/account_voucher/voucher_view.xml
+++ b/addons/account_voucher/voucher_view.xml
@@ -69,7 +69,7 @@
                         <field name="state"/>
                         <button name="open_voucher" string="Pro-forma" states="draft" icon="terp-check"/>
                         <button name="proforma_voucher" string="Create" states="proforma" icon="terp-document-new"/>
-                        <button name="recheck_voucher" string="Validate" states="recheck" icon="terp-check"/>
+                        <button name="recheck_voucher" string="Approve" states="recheck" icon="terp-check"/>
                         <button name="audit_complete" string="Audit Pass" states="posted" icon="terp-check"/>
                         <button name="cancel_voucher" string="Cancel" states="proforma,recheck,posted"  icon="gtk-cancel"/>
                         <button name="cancel_to_draft" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize"/>
diff --git a/addons/hr_expense/hr_expense_view.xml b/addons/hr_expense/hr_expense_view.xml
index 6b92e792ad5..7e7f17187f6 100644
--- a/addons/hr_expense/hr_expense_view.xml
+++ b/addons/hr_expense/hr_expense_view.xml
@@ -128,7 +128,7 @@
                     <group>
                       <filter icon="terp-document-new" domain="[('state','=','draft')]" string="Draft" help="Draft Expense"/>
                       <separator orientation="vertical"/>
-                      <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','confirm')]" string="To Validate"
+                      <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','confirm')]" string="To Approve"
                         help="Confirmed Expense"/>
                       <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','accepted')]" string="To Pay"
                         help="Expenses to Invoice"/>
diff --git a/addons/hr_holidays/hr_holidays_view.xml b/addons/hr_holidays/hr_holidays_view.xml
index bd96de3dd82..a6b87304ae5 100644
--- a/addons/hr_holidays/hr_holidays_view.xml
+++ b/addons/hr_holidays/hr_holidays_view.xml
@@ -10,7 +10,7 @@
                 <search string="Search Leave">
                     <group col='8' colspan='4'>
                         <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','draft')]" string="To Confirm"/>
-                        <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','confirm')]" string="To Validate"/>
+                        <filter icon="terp-gtk-go-back-rtl" domain="[('state','=','confirm')]" string="To Approve"/>
                         <filter icon="terp-camera_test" domain="[('state','=','validate')]" string="Validated"
                             default="context.get('report', False)"/>
                         <separator orientation="vertical"/>
@@ -69,8 +69,8 @@
                             <field name="state" colspan="2"/>
                             <group colspan="2">
                                 <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
-                                <button string="Validate" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
-                                <button string="Approve" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
+                                <button string="To Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
+                                <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
                                 <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no"/>
                                 <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel"/>
                                 <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert"/>
@@ -113,8 +113,8 @@
                         <field name="state" colspan="2"/>
                         <group colspan="2">
                             <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
-                            <button string="Validate" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
-                            <button string="Approve" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
+                            <button string="To Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
+                            <button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply"/>
                             <button string="Refuse" name="refuse" states="confirm,validate1" type="workflow" icon="gtk-no"/>
                             <button string="Cancel" name="cancel" states="validate,refuse" type="workflow" icon="gtk-cancel"/>
                             <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert"/>
@@ -168,7 +168,7 @@
                             <field name="state" colspan="2"/>
                             <group colspan="2">
                                 <button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
-                                <button string="Validate" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
+                                <button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply"/>
                                 <button string="Refuse" name="refuse" states="confirm" type="workflow" icon="gtk-no"/>
                                 <button string="Cancel" name="cancel" states="validate,refuse,validate1" type="workflow" icon="gtk-cancel"/>
                                 <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert"/>
diff --git a/addons/hr_payroll/hr_payroll_view.xml b/addons/hr_payroll/hr_payroll_view.xml
index a85fcc2462c..962fa844808 100644
--- a/addons/hr_payroll/hr_payroll_view.xml
+++ b/addons/hr_payroll/hr_payroll_view.xml
@@ -505,7 +505,7 @@
                         <button string="Compute Sheet" icon="terp-stock_format-scientific" name="compute_sheet" states="new"/>
                         <button string="Recompute Sheet" icon="terp-stock_format-scientific" name="compute_sheet" type="object" states="draft"/>
                         <button string="Verify Sheet" icon="terp-camera_test" name="verify_sheet" states="draft"/>
-                        <button string="Validate Sheet" icon="terp-camera_test" name="final_verify_sheet" states="hr_check"/>
+                        <button string="Approve Sheet" icon="terp-camera_test" name="final_verify_sheet" states="hr_check"/>
                         <button string="Pay Salary" icon="terp-dolar_ok!" name="process_sheet" states="confirm"/>
                         <button string="Cancel" icon="terp-dialog-close" name="cancel_sheet" states="draft,hr_check,confirm"/>
                         <button string="Set to Draft" icon="terp-stock_effects-object-colorize" name="set_to_draft" states="cancel"/>
diff --git a/addons/hr_timesheet_sheet/hr_timesheet_sheet_view.xml b/addons/hr_timesheet_sheet/hr_timesheet_sheet_view.xml
index 050b798f16d..ec667e74f75 100644
--- a/addons/hr_timesheet_sheet/hr_timesheet_sheet_view.xml
+++ b/addons/hr_timesheet_sheet/hr_timesheet_sheet_view.xml
@@ -195,7 +195,7 @@
                 <search string="Search Timesheet">
                     <group col="10" colspan="4">
                         <filter icon="terp-document-new" string="In Draft" domain="[('state','in',('draft', 'new'))]" help="Unvalidated Timesheets"/>
-                        <filter icon="terp-gtk-go-back-rtl" string="To Validate" domain="[('state','=','confirm')]" help="Confirmed Timesheets"/>
+                        <filter icon="terp-gtk-go-back-rtl" string="To Approve" domain="[('state','=','confirm')]" help="Confirmed Timesheets"/>
                         <separator orientation="vertical"/>
                         <field name="user_id" select="1"/>
                         <field name="date_from"/>
diff --git a/addons/mrp/wizard/change_production_qty_view.xml b/addons/mrp/wizard/change_production_qty_view.xml
index 63d9dbcb451..b73d8bcc529 100644
--- a/addons/mrp/wizard/change_production_qty_view.xml
+++ b/addons/mrp/wizard/change_production_qty_view.xml
@@ -15,7 +15,7 @@
 				    <group col="2" colspan="4">
                 		<button icon='gtk-close' special="cancel"
                 			string="Close" />
-                		<button name="change_prod_qty" string="Validate"
+                		<button name="change_prod_qty" string="Approve"
                 			colspan="1" type="object" icon="gtk-ok" />
                 	</group>
                 </form>
diff --git a/addons/project/wizard/project_task_delegate_view.xml b/addons/project/wizard/project_task_delegate_view.xml
index 762810eba64..68ebb1692d2 100644
--- a/addons/project/wizard/project_task_delegate_view.xml
+++ b/addons/project/wizard/project_task_delegate_view.xml
@@ -26,7 +26,7 @@
 		              <newline/>
 		              <group colspan="4" col="6">
 		            		<button icon="gtk-cancel" special="cancel" string="_Cancel"/>
-		            		<button icon="gtk-ok" name="validate" string="Validate" type="object"/>
+		            		<button icon="gtk-ok" name="validate" string="Approve" type="object"/>
 		              </group>
 			  	</form>
             </field>
diff --git a/addons/stock/stock_view.xml b/addons/stock/stock_view.xml
index fb4c0046cec..6f744ce784d 100644
--- a/addons/stock/stock_view.xml
+++ b/addons/stock/stock_view.xml
@@ -604,7 +604,7 @@
                     <field name="invoice_state"/>
                     <field name="stock_journal_id" groups="base.group_extended" widget="selection"/>
                     <field name="state"/>
-                    <button name="%(action_partial_picking)d" states="assigned" string="Validate" type="action" icon="gtk-go-forward" help="Validate Picking"/>
+                    <button name="%(action_partial_picking)d" states="assigned" string="Approve" type="action" icon="gtk-go-forward" help="Approve Picking"/>
                     <button name="button_cancel" states="assigned,confirmed,draft" string="Cancel" icon="gtk-cancel" help="Cancel" confirm="This operation will cancel the picking.   Do you want to continue?"/>
                 </tree>
             </field>
@@ -714,7 +714,7 @@
                                 <button name="draft_validate" states="draft" string="Process Now" type="object" icon="gtk-media-play"/>
                                 <button name="action_assign" states="confirmed" string="Check Availability" type="object" icon="gtk-find"/>
                                 <button name="force_assign" states="confirmed" string="Force Availability" type="object" icon="gtk-jump-to"/>
-                                <button name="%(action_partial_picking)d" states="assigned" string="Validate" type="action" icon="gtk-apply"/>
+                                <button name="%(action_partial_picking)d" states="assigned" string="Approve" type="action" icon="gtk-apply"/>
                                 <button name="button_cancel" states="assigned,confirmed,draft" string="Cancel" icon="gtk-cancel"/>
                             </group>
                         </page>
@@ -774,7 +774,7 @@
                     <field name="min_date"/>
                     <field name="stock_journal_id" groups="base.group_extended" widget="selection"/>
                     <field name="state"/>
-                    <button name="%(action_partial_picking)d" states="assigned" string="Validate" type="action" icon="gtk-go-forward" help="Validate Delivery"/>
+                    <button name="%(action_partial_picking)d" states="assigned" string="Approve" type="action" icon="gtk-go-forward" help="Approve Delivery"/>
                     <button name="button_cancel" states="assigned,confirmed,draft" string="Cancel" icon="gtk-cancel" help="Cancel" confirm="This operation will cancel the delivery.    Do you want to continue?"/>
                 </tree>
             </field>
@@ -978,7 +978,7 @@
                     <field name="invoice_state"/>
                     <field name="stock_journal_id" groups="base.group_extended" widget="selection"/>
                     <field name="state"/>
-                    <button name="%(action_partial_picking)d" states="assigned" string="Validate" type="action" icon="gtk-go-forward" help="Validate Picking"/>
+                    <button name="%(action_partial_picking)d" states="assigned" string="Approve" type="action" icon="gtk-go-forward" help="Approve Picking"/>
                 </tree>
             </field>
         </record>
@@ -1175,7 +1175,7 @@
                     <field name="invoice_state" groups="base.group_extended"/>
                     <field name="stock_journal_id" groups="base.group_extended" widget="selection"/>
                     <field name="state"/>
-                    <button name="%(action_partial_picking)d" states="assigned" string="Validate" type="action" icon="gtk-ok" help="Receive products"/>
+                    <button name="%(action_partial_picking)d" states="assigned" string="Approve" type="action" icon="gtk-ok" help="Receive products"/>
                     <button name="button_cancel" states="assigned,confirmed,draft" string="Cancel" icon="gtk-cancel" help="Cancel" confirm="This operation will cancel the shipment. Do you want to continue?" />
                 </tree>
             </field>
diff --git a/addons/stock_planning/stock_planning_view.xml b/addons/stock_planning/stock_planning_view.xml
index 7da194d91e1..0bb9222df35 100644
--- a/addons/stock_planning/stock_planning_view.xml
+++ b/addons/stock_planning/stock_planning_view.xml
@@ -153,7 +153,7 @@
                             <field name="product_qty"  />
                             <field name="state"/>
                             <label string = ""/>
-                            <button name="action_validate" icon="gtk-apply" string="Validate" states="draft" type="object" colspan = "1"/>
+                            <button name="action_validate" icon="gtk-apply" string="Approve" states="draft" type="object" colspan = "1"/>
 
                 </group>
                     </group>