"mastermind" in the noun sense
1. originator, conceiver, mastermind
someone who creates new things
2. genius, mastermind, brain, brainiac, Einstein
someone who has exceptional intellectual ability and originality
"Mozart was a child genius"
"he's smart but he's no Einstein"
"mastermind" in the verb sense
1. mastermind, engineer, direct, organize, organise, orchestrate
plan and direct (a complex undertaking
"he masterminded the robbery"
Source: WordNet® (An amazing lexical database of English)
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