attire

garderobe, wardrobe

array, bravery, caparison, finery, gaiety (also gayety), glad rags, pretties, regalia, trim

foofaraw, frippery, gaudery, tawdry, trumpery [archaic]

tatters

costume, ensemble, frock, garb, getup, guise, livery, outfit

civvies (also civies), mufti

couture, prêt-à-porter (or pret-a-porter), ready-to-wear, tailoring

activewear, loungewear, outerwear, playwear, sportswear

nightclothes, sleepwear, smallclothes, underclothes, underwear

haberdashery, menswear

cloak, frock, jacket, mantle, vest

drape, enswathe, hap [dialect], huddle, swaddle, swathe, wrap

accoutre (or accouter), bedight [archaic], equip, furnish, habilitate, outfit, tailor, uniform

dress down, underdress