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1. Plan and control how a complex undertaking is done
   "he masterminded the robbery"
   - engineer, direct, organize, organise [Brit], orchestrate

1. Someone who creates new things
   - originator, conceiver
    
2. Someone who has exceptional intellectual ability and originality
   "Mozart was a child mastermind"
   - genius, brain, brainiac [N. Amer], Einstein, brainbox [Brit]

Derived forms: masterminding, masterminds, masterminded

Type of: creator, intellect, intellectual, plan

Encyclopedia: Mastermind