accompany act in concert act together affiliate ally amalgamate associate associate with assort with attend band be in cahoots be in league bunch bunch up cabal cement a union centralize club club together coact coalesce collaborate collude combine come together companion concert concord concur confederate consociate consolidate consort with conspire cooperate couple couple with do business with federalize federate flock together fuse gang gang up get heads together get together go along with go in partners go in partnership go partners go with hang around with hang together harmonize herd together hold together hook up hook up with join join forces join fortunes with join in join together join up with join with keep company with keep together league league together make common cause marry merge organize pair pair off partner play ball pull together put heads together reciprocate run with stand together stand up with team up team up with team with throw in together throw in with tie in tie in with tie up tie up with unionize unite unite efforts unite with wait on wed work together