Synonyms to unite efforts

affiliate, Americanize, Anglicize, Greek, accept, acculturate, acculturize, act in concert, act together, admit, adopt, affiliate to, affiliate with, affiliated, allied, ally, amalgamate, approve, arm, assimilate, associate, associated, band, band together, be in cahoots, be in league, belonger, bound, bracketed, branch, branch office, brother, bunch, bunch up, cabal, cabalistic, card-carrier, card-carrying member, cardholder, carry, cement a union, centralize, chapter, charter member, club, club together, clubber, clubman, clubwoman, coact, coalesce, collaborate, collateral, collude, combine, come into, come together, committeeman, comrade, concert, concord, concur, confederate, confederated, confer citizenship, conjugate, connected, consociate, consolidate, conspiratorial, conspire, conventioneer, conventioner, conventionist, cooperate, corporate, correlated, couple, coupled, creep in, derive from, division, do business with, dues-paying member, embrace, enleagued, enlist, enlistee, enroll, enrollee, enter, espouse, father, federalize, federate, federated, fellow, filiate to, fraternity man, fuse, gang, ga