well-cultured
/ˌwɛlˈkʌltʃəd/adjective
1Of soil, the ground, etc.: carefully cultivated.
2Much improved by education and training; highly educated or refined; (now) especially characterized by or having a good knowledge of the arts.
Origin
Mid 16th century; earliest use found in Richard Eden (c1520–1576), translator. From well + cultured.