Synonyms for Brassiere:

n.

•brassiere (noun)
bra, bandeau.
•clothing (noun)
halter, coat, homburg, bowler, overcoat, burnoose, suit, outfit, habit, chemise, corset, garb, dress, raincoat, sweater, array, sweat suit, cloak, ensemble, sports coat, afghan, wrap, slacks, trousers, ulster, mackintosh, shoes, footgear, topcoat, smock, hat, slicker, vestment, housecoat, stockings, petticoat, wrapper, fedora, scarf, kilt, jacket, costume, jersey, nightgown, dressing gown, chapeau, greatcoat, boot, trimming, clothes, shorts, sari, clothing, camisole, shawl, trench coat, pillbox, raiment, jumper, bonnet, doublet, stetson, fez, frock, garment, blouse, vesture, pull over, t-shirt, shirt, tunic, kimono, windbreaker, parka, caftan, gown, fur, blue jeans, duds, robe, cape, tuxedo, turtle-neck, panties, apparel, evening gown, poncho, skirt, pinafore, attire, bathrobe, pea coat, crinoline, pants, smoking jacket, pyjamas, dinner jacket, headdress, v neck, sweat shirt, beret, pajamas, sarong, blazer.
•foundation garment (noun)
bra, corset, bandeau.
•underwear (noun)
body suit, BVDS, bustier, bloomers, briefs, body, boxers.

Other synonyms:

•underwear
body suit, BVDS, bustier, bloomers, briefs, body, boxers.
•Other relevant words:
boxers, bloomers, bustier, briefs, body, bra, BVDS, bandeau.