FASHION, n. A deity whom the wise ridicule, yet the discreet obey.

Ambrose Bierce (1842–1914?) American writer and journalist

“Fashion,” The Cynic’s Word Book (1906)
    (Source)

In The Devil's Dictionary (1911), it is defined as: "FASHION, n. A despot whom the wise ridicule and obey."

Originally published in the "Devil's Dictionary" column in the San Francisco Wasp (1884-06-28).