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