Some words associated with fashion
Chic: Elegantly and stylishly fashionable
Eg: 'She wore a chic black costume and a white wrap.'
Natty: (Of a person or an article of clothing) smart and fashionable; dashing
Eg: 'A natty black blazer will upgrade your look this winter.'
Spiffy: Smart in appearance
Eg: 'I didn't get to first base but you've got a spiffy uniform and a shiny badge.'
A la mode: Fashionable; in the current style or fashion. A shopping district filled with expensive boutiques selling fashionable clothing from the top designer.
Eg: 'Corduroy is extremely à la mode this season.'
Pernickety: Placing too much emphasis on trivial or minor details; fussy
Eg: 'She's very pernickety about her shoes.'