Meaning : Someone who has exceptional intellectual ability and originality.
Example :
Mozart was a child genius.
He's smart but he's no Einstein.
Synonyms : brain, brainiac, einstein, mastermind
Meaning : Unusual mental ability.
Synonyms : brilliance
Meaning : Exceptional creative ability.
Synonyms : wizardry
Meaning : A natural talent.
Example :
He has a flair for mathematics.
He has a genius for interior decorating.
Synonyms : flair