conforming to the fashion or established mode; according with the prevailing form or style; as, a fashionable dress.-established or favored by custom or use; current; prevailing at a particular time; as, the fashionable philosophy; fashionable opinions.-observant of the fashion or customary mode; dressing or behaving according to the prevailing fashion; as, a fashionable man.-genteel; well-bred; as, fashionable society.-a person who conforms to the fashions; -- used chiefly in the plural.