(of a person) well-educated and with many cultural interests
well-bred, experienced
Cases of word usage
1) (of a person) cultured (the more usual word) (cultivated)
2) (of a person, speech, manner etc) showing education and cultured taste (refined)
3) the state of being well-mannered, cultured etc; a small improvement (to writing etc) (refinement)
4) not cultured (uncultured)