Mechanic, in part, is answerable (7)
I believe the answer is:
artisan
'mechanic' is the definition.
(thesaurus)
'in part is answerable' is the wordplay.
'in' indicates the answer is hidden within the clue.
'ARTISAN' is hidden in the letters of 'part is answerable'.
(Other definitions for artisan that I've seen before include "Handy worker" , "crafty person?" , "Train as (anag) - craftsman" , "Skilled worker at craft or trade" , "Skilled worker by hand" .)