dress up

preen, primp, prink, smarten (up)

accessorize

apparel, array, attire, bedeck, bedizen, caparison, clothe, costume, deck, dude (up), garb, garment, invest, rig (out), robe, suit, tog (out or up)

blanket, blot out, conceal, cover, curtain, enshroud, hide, obscure, occult, screen, shroud, veil

affect, assume, counterfeit, dissemble, dissimulate, feign, pose, pretend, sham, simulate

act, fake, impersonate, masquerade, play

gild, gloss (over), varnish, whitewash

ameliorate, enrich, improve, meliorate

embellish, soup up, trick

cosmeticize, doll up, spruce

cloak, frock, jacket, mantle, vest

drape, enswathe, swaddle, swathe, wrap

accoutre (or accouter), equip, furnish, outfit, tailor, uniform

dress down, underdress