4. (n.) A mental faculty, or power of the mind; -- used in this sense chiefly in the plural, and in certain phrases; as, to lose one's wits; at one's wits' end, and the like.
5. (v.) Felicitous association of objects not usually connected, so as to produce a pleasant surprise; also. the power of readily combining objects in such a manner.
6. (n.) A person of eminent sense or knowledge; a man of genius, fancy, or humor; one distinguished for bright or amusing sayings, for repartee, and the like.