I. verb
Synonyms: adorn , beautify, bedeck, deck, decorate, embellish, garnish, ornament, prank, trim
II. verb
1.
to attire in best or formal clothes
dressed up to go to the theater
Synonyms: deck (out), ||dike (out or up), doll out, doll up, ||dude up, fix up, gussy up, prank, ||prick (up), primp, prink (up), slick, smarten (up), smug, spiff, spruce (up), tog (out or up), ||toggle, trick (off, out, or up)
Related Word: prettify, pretty (up); apparel, array, attire, clad, clothe, dress, enclothe, garb, garment, raiment; overdress; preen; prim (up)
Idioms: dress fit to kill, dress to the nines, put on the dog
2.
Synonyms: disguise , camouflage, cloak, dissemble, dissimulate, mask