Enthusiastic approval (7)
'enthusiastic approval' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for plaudit that I've seen before include "Praise bestowed" , "Round of applause" , "Commendation, acclamation" , "Acclaim" , "Praise, accolade" .)
(Other definitions for acclaim that I've seen before include "Welcome enthusiastically" , "Declare" , "Hail" , "Great public praise" , "Salute, applaud" .)