How to sign: mental ability
"he's got plenty of brains but no common sense";
Similiar / Same: brainpower, learning ability, mental capacity, brain, mentality
Categories: intelligence
How to sign: a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
Similiar / Same: humor, witticism, wittiness, humour
Categories: content, message, subject matter, substance
Within this category: bon mot, caricature, cartoon, fun, jeu d'esprit, joke, pungency, repartee, ribaldry, sarcasm, topper