Courteous

1.

(Polite, polite and gracious) ដែលគួរសម, ដែលសុខភាព, ដែលរួសរាយ, ដែលរលោង, ដែលរលីង
Example: I don't expect people to bow and scrape, but they should at least be courteous.

1.

Of courtlike manners; pertaining to, or expressive of, courtesy; characterized by courtesy; civil; obliging; well bred; polite; affable; complaisant.

1.

civil, considerate, courtly, cultivated, genteel, polite, refined, urbane

1.

boorish, impertinent, rude, uncivil, uncouth