Take advantage of bold deed (7)
I believe the answer is:
exploit
This clue might be a double definition.
'take advantage of' is the first definition.
(synonyms)
'bold deed' is the second definition.
'exploit' can be an answer for 'deed' (synonyms). I'm unsure of the 'bold' bit.
Can you help me to learn more?
(Other definitions for exploit that I've seen before include "Heroic deed" , "Stunt" , "Take full advantage of escapades?" , "Make use of (a resource)" , "Feat, accomplishment" .)