IPA: //ˈfæʃənəbl//
KK: /ˈfæʃənəbl/
Relating to the latest trends in clothing, accessories, or behavior; stylish and popular at a particular time.
She always wears the most fashionable outfits to parties.
Comparative: more fashionable
Superlative: most fashionable
A person who is up-to-date with the latest trends in clothing and style.
She is known as a fashionable in our group because she always wears the latest styles.
Fashionable → It is formed from "fashion" (from Old French *façon*, meaning manner or style) and "-able" (meaning capable of or suitable for). The word "fashionable" means suitable for or characteristic of the current style or manner.
Think of 'fashion' as a way of doing things or a style, and remember that 'fashionable' means being suitable for that style.