'Well-mannered' definitions:

Definition of 'well-mannered'

From: WordNet
adjective
Of good upbringing [syn: well-bred, well-mannered]
adjective
Socially correct in behavior [syn: mannerly, well- mannered]

Definition of 'Well-mannered'

From: GCIDE
  • Well-mannered \Well`-man"nered\, a. Polite; well-bred; complaisant; courteous. --Dryden. [1913 Webster]