(an act of) feeling, showing or saying, that one is satisfied, that something is right, that one agrees
authorization
Cases of word usage
1) to show or express approval or liking for a person, thing (admire)
2) to show approval of (an actor, speaker, winner etc) by clapping the hands (applaud)
3) the act of showing approval by clapping the hands (applause)
4) an expression of admiration, approval etc, either in words or by action (compliment)
5) (to prepare) (a dish of) meat, fish, eggs etc cooked with hot-tasting spices; to try to win approval by using flattery etc (curry)
6) to express great approval of, show one is very sorry about, (something) (deplore)
7) giving or showing approval (favourable)
8) exclamation used to express joy, approval etc (hurrah)
9) the quality or fact of deserving approval or praise (merit)
10) a quick movement downwards (of the head), especially to show agreement, approval etc (nod)