Source : WordNet®

mastermind
     n 1: someone who creates new things [syn: {originator}, {conceiver}]
     2: someone who has exceptional intellectual ability and
        originality; "Mozart was a child genius"; "he's smart but
        he's no Einstein" [syn: {genius}, {brain}, {Einstein}]
     v : plan and direct (a complex undertaking); "he masterminded
         the robbery" [syn: {engineer}, {direct}, {organize}, {organise},
          {orchestrate}]