From Longman Dictionary of Contemporary Englishwell-bredˌwell-ˈbred adjective old-fashioned CLASS IN SOCIETYsomeone who is well-bred is polite, and behaves as if they come from a family of high social class a well-bred, courteous man
Examples from the Corpus
well-bred• His attitude was that of a well-bred man reluctant to discuss some family difference with a prying outsider.• And how could he disguise his well-bred manners and speech?• However, the reckless, well-bred show of bravado did not exactly endear the utterer to two other boys of like age.• Sometimes the health problem can be very serious: Winsome was a well-bred Thoroughbred brood mare.• I mean, I am a well-bred woman.• Such a nice, polite, well-bred young woman. 