Word Study
classmate
CIDE DICTIONARY
classmate, n.
One who is in the same class with another, as at school or college. [1913 Webster]
THESAURUS
classmate
ace, amigo, associate, bedfellow, bedmate, birthmate, bosom buddy, buddy, bunkie, bunkmate, butty, camarade, chamberfellow, chum, clubmate, colleague, comate, companion, company, compeer, comrade, confrere, consociate, consort, copartner, copemate, copesmate, couchmate, cradlemate, crony, cupmate, fellow, fellow student, general partner, girl friend, gossip, grade schooler, high schooler, infant, intermediate schooler, jailmate, kindergartner, mate, messmate, nursery school child, old crony, pal, pard, pardner, partner, pewmate, playfellow, playmate, prep schooler, preschool child, preschooler, primary schooler, roommate, school child, school kid, school lad, schoolboy, schoolfellow, schoolgirl, schoolmate, secondary schooler, secret partner, shelfmate, shipmate, shopmate, side partner, sidekick, sidekicker, silent partner, sleeping partner, special partner, tablemate, teammate, tentmate, watchmate, waymate, workfellow, yokefellow, yokemateROGET THESAURUS
classmate
Friend
N friend, friend of one's bosom, alter ego, best friend, bosom friend, soulmate, fast friend, amicus, usque ad aras, fidus Achates, persona grata, acquaintance, neighbor, next-door neighbor, casual acquaintance, nodding acquaintance, wellwisher, favorer, fautor, patron, Mecaenas, tutelary saint, good genius, advocate, partisan, sympathizer, ally, friend in need, comrade, mate, companion, familiar, confrere, comrade, camarade, confidante, intimate, old crony, crony, chum, pal, buddy, bosom buddy, playfellow, playmate, childhood friend, bedfellow, bedmate, chamber fellow, associate, colleague, compeer, schoolmate, schoolfellow, classfellow, classman, classmate, roommate, fellow-man, stable companion, best man, maid of honor, matron of honor, compatriot, fellow countryman, countryman, shopmate, fellow-worker, shipmate, messmate, fellow companion, boon companion, pot companion, copartner, partner, senior partner, junior partner, Arcades ambo Pylades and Orestes Castor and Pollux, Nisus and Euryalus, Damon and Pythias, par nobile fratrum, host, Amphitryon, Boniface, guest, visitor, prot_eg_e, amici probantur rebus adversis, ohne bruder kann man leben nicht ohne Freund, best friend, my well-spring in the wilderness, conocidos muchos amigos pocos, friend more divine than all divinities, vida sin amigo muerte sin testigo.For further exploring for "classmate" in Webster Dictionary Online