Source : Webster's Revised Unabridged Dictionary (1913)

Well-mannered \Well`-man"nered\, a.
   Polite; well-bred; complaisant; courteous. --Dryden.

Source : WordNet®

well-mannered
     adj 1: of good upbringing [syn: {well-bred}]
     2: socially correct in behavior [syn: {mannerly}]