act in concert, act together, affiliate, ally, amalgamate, associate, band, band together, be in league, club together, coact, coalesce, collaborate, collude, combine, concert, concord, concur, confederate, consolidate, conspire, cooperate, do business with, federate, fuse, get heads together, get together, go partners, hang together, harmonize, hold together, hook up, join, join in, join together, keep together, league, league together, make common cause, merge, partner, play ball, put heads together, reciprocate, stand together, team up, throw in together, tie in, tie up, unite, unite efforts, work together
cooperate, concur, coact, synergize, conduce, combine, unite one's efforts, keep together, draw together, pull together
, club together, hand together, hold together, league together, band together, be banded together, pool, stand shoulder to shoulder, put shoulder to shoulder, act in concert, join forces, fraternize, cling to one another, conspire, concert, lay one's heads together, confederate, be in league with, collude, understand one another, play into the hands of, hunt in couples, side with, take side with, go along with, go hand in hand with, join hands with, make common cause with, strike in with, unite with, join with, mix oneself up with, take part with, cast in one's lot with, join partnership, enter into partnership with, rally round, follow the lead of, come to, pass over to, come into the views of, be in the same boat, row in the same boat, sail in the same boat, sail on the same tack, be a party to, lend oneself to, chip in, participate, have a hand in, have a finger in the pie, take part in, bear part in, second, take the part of, play the game of, espouse a cause, espouse a quarrel.
agree, accord, harmonize with, fraternize, be concordant, go hand in hand, run parallel, understand one another, pull together
, put up one's horses together, sing in chorus, side with, sympathize with, go with, chime in with, fall in with, come round, be pacified, assent, empathize with, enter into the ideas of, enter into the feelings of, reciprocate, hurler avec les loups, go with the stream, swim with the stream, keep in good humor, render accordant, put in tune, come to an understanding, meet halfway, keep the peace, remain at peace, be harmonious, harmonize, chime, symphonize, transpose, put in tune, tune, accord, string.
concur, conduce, conspire, contribute, agree, unite, hang together, pull together
, join forces, make common cause, help to, keep pace with, run parallel, go with, go along with, go hand in hand with, coincide.