Trend:
-a general direction in which something is developing or changing.
-a fashion.
Bandwagon:
-used in reference to an activity, cause, etc. that is currently fashionable or popular and attracting increasing support.
-(especially formerly) a wagon used for carrying a band in a parade or procession.
Fad:
-an intense and widely shared enthusiasm for something, especially one that is short-lived and without basis in the object's qualities; a craze.
Craze:
-an enthusiasm for a particular activity or object which appears suddenly and achieves widespread but short-lived popularity.
Classic:
-judged over a period of time to be of the highest quality and outstanding of its kind.
-remarkably and instructively typical.
Hope it helpsฅ^ω^ฅ