Innocent pursued we hear (6)
I believe the answer is:
chaste
'innocent' is the definition.
(I've seen this in another clue)
'pursued we hear' is the wordplay.
'pursued' becomes 'chased' (synonyms).
'we hear' indicates a 'sounds like' (homophone) clue.
'chased' sounds like 'CHASTE'.
(Other definitions for chaste that I've seen before include "Maiden" , "Modest, pure" , "Like Diana" , "Pure and virginal" , "Untarnished" .)