Cleaner at Dutch eatery faces mockery (7)
I believe the answer is:
charade
'mockery' is the definition.
(synonyms)
'cleaner at dutch eatery faces' is the wordplay.
'cleaner' becomes 'char' (charwoman is a type of cleaner).
'faces' suggests taking the first letters (I've seen 'face' mean this).
The initial letters of 'at dutch eatery' is 'ade'.
'char'+'ade'='CHARADE'
(Other definitions for charade that I've seen before include "Game in which the puzzle is acted out" , "sham" , "Travesty, mockery" , "Film with Cary Grant and Audrey Hepburn" , "Had care in the acted riddle" .)