Fromapprove +‎-al.

• (UK)IPA^(key):/əˈpɹuːvəl/
• (US)IPA^(key):/əˈpɹuvəl/

• Audio(US):

  (file)

approval (countable anduncountable,pluralapprovals)

1. An expression grantingpermission; an indication ofagreement with aproposal; anacknowledgement that a person, thing, or eventmeetsrequirements.

   I need to get anapproval on this purchase order.

2. An expression of favorableacceptance andencouragement; acompliment that alsocondones.

   Words ofapproval never seem to come from him.

3. (especiallyphilately) Somethingmailed by aseller to acollector to match theirstatedinterests; the collector canapprove of orreturn the item.

• (expression granting permission or indicating agreement):approbation,sanction; See alsoThesaurus:approval
• (expression of favorable acceptance and encouragement):commendation; See alsoThesaurus:praise

• authorization(in some legal contexts, authorization is different from approval)

• approve(verb),approved(adj)