fashionist means fashionista (A person who dresses according to the trends of fashion). Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- fashionista (A person who dresses according to the trends of fashion)“In the firſt place vve may conceive many of theſe ornaments vvere onely temporary, as uſed by the Fashioniſts of that age, vvhich, aftervvards diſuſed, both name and thing came to be aboliſhed. […] For inſtance, it vvould poſe a good Antiquary to deſcribe the exact faſhion of Herlots, Paltocks, Gits, Haketons, Tabards, Court-pies, Cheveſailes, and Gipſers: barbarous names, vvhich may ſeem to carry”