Of persons, their actions, etc.: Smooth and suave in manner; mildly soothing or coaxing: gentle.

Of persons: Quiet or smooth of manner.

Of persons, their manner: Blandly polite or urbane; soothingly agreeable. (Cf. suavity, n. 4.)

Of a person: elegant and refined in manners; courteous, civil; suave, sophisticated.

Of a person: emollient in manner, unctuous.