Attic adroit apt biting brainy bright brilliant canny clever dexterous droll facetious funny gifted hep humorous humorsome jesting jocose jocular joking joky joshing keen keen-witted knowing mordant nimble no dumbbell not born yesterday pointed pungent quick quick-thinking quick-witted rapier-like salt salty scintillating sharp sharp-witted slick smart sparkling sprightly steel-trap talented whimsical witty