well-bred

• wellbred

well-bred (comparative better-bred or more well-bred, superlative best-bred or most well-bred)

1. (of animals) Of good breed.
2. (by extension) Well-mannered and refined because of a good upbringing and education.
   • 1986, Marc Polonsky, Russell Taylor, USSR, From an Original Idea by Karl Marx, Faber and Faber, →ISBN:

     Ideally you should relax—though well-bred English people do no feel entirely at ease in a room full of naked strangers beating one another.

• “well-bred”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.