Suggested little devil gets to be legal (8)
I believe the answer is:
implicit
'suggested' is the definition.
(implicit can mean implied or suggested)
'little devil gets to be legal' is the wordplay.
'little devil' becomes 'imp' (I've seen this before).
'gets' means one lot of letters go next to another.
'to be legal' becomes 'licit' ('licit' can be similar in meaning to 'legal').
'imp'+'licit'='IMPLICIT'
(Other definitions for implicit that I've seen before include "Absolute and unquestioning - or tacit" , "Not in so many words" , "Unquestioning - expressed indirectly" , "Implicit" , "Hinted at" .)