witty: using words cleverly; amusing, humorous, and clever or sharp at the same time (it is difficult to draw or find a picture of a witty person!)
intelligent: smart, brainy, bright, gifted, quick, sharp.
athletic: fit, sporty, healthy, in good shape, energetic, strong, active.
Interviewer: And can you give me 2 or 3 adjectives that describe your sister?
Mary: Oh, my sister is
. Is that an adjective? And, uhm, uh,
. That's three!