[adj] refined or imposing in manner or appearance; befitting a royal court; "a courtly gentleman"
dignified, elegant, formal, stately
adulatory, aristocratic, august, bland, blandishing, blarneying, buttery, cajoling, ceremonious, chivalric, chivalrous, civilized, complimentary, conventional, courtierly, dignified, fair-spoken, fawning, fine-spoken, flattering, formal, fulsome, gallant,