polite

Marked by or showing consideration for others and observance of accepted social usage.

Refined; elegant.

Polished; smooth; lustrous; bright.

Polished, refined, or elegant in speech, manner, or behavior; well-bred; courteous; complaisant; obliging: said of persons or their speech or behavior, etc.

Polished or refined in style, or employing such a style: now rarely applied to persons.