Brainy one (10)
I believe the answer is:
mastermind
(Other definitions for mastermind that I've seen before include "brainbox" , "Planning supremo" , "Intellectual" , "Criminal planner" , "Person with outstanding intellect" .)
I believe the answer is:
mastermind
(Other definitions for mastermind that I've seen before include "brainbox" , "Planning supremo" , "Intellectual" , "Criminal planner" , "Person with outstanding intellect" .)