mastermind
I
noun
authority, creative genius, creator, expert, genius, intellect, intellectual, intellectual prodigy, leader, learned person, luminary, master, mental giant, mentor, person of intellect, prodigy, pundit, qualified person, sage, savant, specialist, strategist, tactician, thinker, wise man
II
index
administer (conduct), direct (supervise), expert, manage, operate, oversee, predominate (command)
Burton's Legal Thesaurus.
William C. Burton.
2006