D defs.my
Entry 1 sense Webster, 1913

Courteous

/(k?r"t?-?s; 277)/ · Cour·te·ous · IPA /ˈkɝti.əs/
01 a. Of courtlike manners; pertaining to, or expressive of, courtesy; characterized by courtesy; civil; obliging; well bred; polite; affable; co…
  1. 1.
    Of courtlike manners; pertaining to, or expressive of, courtesy; characterized by courtesy; civil; obliging; well bred; polite; affable; complaisant.
    “A patient and courteous bearing.” Prescott.
    “His behavior toward his people is grave and courteous.” Fuller.