Idiom Definition:
"to put on the Ritz"
to assume an air of elegance or superiority
to dress in very formal clothes or to do something fancier or more expensive than usual - often in an attempt to impress someone
Synonyms:
aristocratic, chic, classy, cultivated, dashing, dignified, elaborate, expensive, exquisite, extravagant, fancy, fine, flamboyant, garish, grand, gaudy, grandiose, lavish, lush, opulent, ornamented, ornate, ostentatious, overdone, plush, pompous, posh, pretentious, refined, rich, snazzy, splashy, stately, sumptuous, swank, vain, vulgar