Webster’s Revised Unabridged Dictionary · 1913
Courteous
Cour′te·ous (k?r′t?-?s; 277), a. [OE. cortais, corteis, cortois, rarely corteous, OF. corties, corteis, F. courtois. See Court.] 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.