Go to work, perhaps? (7)
I believe the answer is:
synonym
'go to work perhaps?' is the definition.
('go' can be a synonym of 'work')
This is the entire clue.
(Other definitions for synonym that I've seen before include "My sonny (anag)" , "Quick crossword clue" , "text with similar import" , "A word that can be interchanged with another" , "Word with meaning similar to that of another" .)