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