fashˈionably adverb

fashˈioner noun

fashˈionist or fashionista /-ēsˈta/ noun

A follower or setter of fashion

fash'ion-forward adjective

Creating or embracing early the newest fashion trends

fashion house noun

An establishment in which fashionable clothes are designed, made and sold

fashion jewellery noun

Costume jewellery

fashˈionmongering or fashˈionmonging adjective (Shakespeare)

Behaving like a fop

fashion plate noun

1. A picture showing the latest style of (esp formal) dress
2. A well-groomed, fashionably dressed person

fashion victim noun (informal)

Someone who slavishly follows the latest fashions

after or in a fashion

1. In a way
2. To a certain extent

do something, etc as though it were going out of fashion (informal)

To do something with extra vigour or enthusiasm, fast and furiously, as though for the last time

in fashion

1. Currently favoured
2. Fashionable

in the fashion

In accordance with the prevailing style of dress, etc

out of fashion

1. Old-fashioned
2. Unfashionable