Of a person, a person's tongue, pen, etc.: quick and lively in speech, discourse, or writing; eloquent. Cf. sense A. 3b.

Of an action or thing: judicious, expedient, sensible; skilfully contrived.

Of speech or action (hence of speakers or agents): Apt, apropos; smart, adroit. Of movements: Dexterous, graceful.

Chiefly U.S. in later use. Of action, speech, etc.: appropriate, fitting; deft, clever.

(transferred from 2.) Showing or demanding intellectual ability; (later, esp. of discourse) clever, ingenious, or subtle in conception or expression…

= politic, adj. 2. Obsolete.

Witty, amusing; employing or characterized by conceits (conceit, n. 10b). Now rare.

Of action, speech: †Cunning, artful (obsolete); characterized by penetration or practical sagacity.

Of observations, sayings, actions, etc.: Resulting from or exhibiting acuteness of mental discernment; characterized by sagacity.

Smart, cunning. Now rare.