Greek, abettor, accessory, accompany, accomplice, accord, accouple, accumulate, ace, acquaintance, act in concert, act together, affiliate, affiliate with, affiliated, affiliation, agglutinate, agree, alliance, allied, ally, alter ego, amalgamate, amass, amigo, analogon, analogue, appearance, apply, articulate, assemble, assistant, assistant professor, associate, associate professor, associate with, associated, association, assort with, attend, axis, band, band together, be acquainted with, be friends, be in cahoots, be in league, be inseparable, bedfellow, bedmate, belonger, bind, blend, bloc, bond, bosom buddy, bracket, bridge, bridge over, brother, brother-in-arms, brotherhood, buddy, bunch, bunch up, bunkie, bunkmate, butty, cabal, cahoots, camarade, card-carrier, card-carrying member, cardholder, cement, cement a union, centralize, chain, chamberfellow, charter member, chum, chum together, chum with, circuit, clap together, classmate, clique, clique with, close copy, close match, club, club together, clubber, clubman, clubwoman, coact, coaction, coadunate, coalesce, coalition, cognate, cohort, coincide, collaborate, collaboration, collaborator, colleague, collect, collude, comate, combination, combine, come into, come together, committeeman, companion, company, compatriot, compeer, complement, comprise, comrade, concatenate, concert, concomitant, concord, concur, confederate, conference, confidant, confidante, confrere, congenator, congener, conglobulate, congress, conjoin, conjugate, conjunction, connect, connect with, connection, connive, connotation, consociate, consolidate, consort, consort with, conspire, conventioneer, conventioner, conventionist, conviviality, cooperate, cooperation, coordinate, copartner, copulate, correlate, correlative, correspond, correspondent, cotton to, counterpart, couple, couple with, cover, creep in, crony, do business with, draw a parallel, dues-paying member, embrace, emeritus, encompass, enlist, enlistee, enroll, enrollee, enter, equate, equivalent, faction, familiar, fantasy, federalize, federate, federation, fellow, fellow student, fellowship, flock together, fraternity, fraternity man, fraternize, fraternize with, friend, fuse, gaiety, gang, gang up, gather, get heads together, get into, get together, girl friend, glue, go along with, go in partners, go in partnership, go into, go partners, go with, gossip, guild, guildsman, hang around with, hang out with, hang together, happen together, harmonize, herd together, hint, hit it off, hobnob with, hold together, honorary member, hook up, hook up with, hookup, identify, illusion, image, implication, include, initiate, insider, instructor, interest, interrelate, intimate, join, join forces, join fortunes with, join in, join in fellowship, join together, join up, join up with, join with, joiner, joviality, keep company with, keep together