Noun:
1: brainiac, mastermind, einstein, genius, brain someone who has exceptional intellectual ability and originality; "Mozart was a child genius"; "he's smart but he's no Einstein"
2: genius, brilliance unusual mental ability
3: whiz, hotshot, champion, whizz, star, adept, virtuoso, sensation, maven, wiz, ace, superstar, genius, mavin, wizard someone who is dazzlingly skilled in any field
4: wizardry, genius exceptional creative ability
5: genius, flair a natural talent; "he has a flair for mathematics"; "he has a genius for interior decorating"