a. 有礼貌的,优雅的

Polite \Po*lite"\, a. [Compar. {Politer}; superl. {Politest}.]
[L. politus, p. p. of polire to polish: cf. F. poli. See
{Polish}, v.]
1. Smooth; polished. [Obs.]

Rays of light falling on a polite surface. --Sir I.
Newton.

2. Smooth and refined in behavior or manners; well bred;
courteous; complaisant; obliging; civil.

He marries, bows at court, and grows polite. --Pope.

3. Characterized by refinement, or a high degree of finish;
as, polite literature. --Macaulay.

Syn: Polished; refined; well bred; courteous; affable;
urbane; civil; courtly; elegant; genteel.