Conventional usage in dress, mode of life, etc., esp. as observed in the upper circles of society; conformity to this usage. Often personified, or…

(Without article.) Conventional usage in dress, manners, etc., esp. as observed among fashionable people. Obsolete.

archaic. Good style, good breeding; polite or fashionable society; the fashionable world. Also attributive.

High fashion; elliptical, people of high fashion.

The character, style, or practice of a ‘swell’.

the quality, character, or behaviour associated with the western end of a town or city, esp. of London.

behaviour characteristic of a ‘toff’.

The quality of being in vogue; fashionableness. rare.

The condition of a ‘swell’ or person of distinction. colloquial.