1. (n.) To grow together; to unite by growth into one body; as, the parts separated by a wound coalesce.

2. (n.) To unite in one body or product; to combine into one body or community; as, vapors coalesce.

act in concert act together add adhere admix affiliate alloy ally amalgamate assimilate associate band band together be in league bemingle blend bracket cleave cling club together coact collaborate collude combine come together commingle commix compose compound comprise concert concoct concord concur confederate conglomerate conjoin connect consolidate conspire cooperate do business with embody emulsify encompass federate flux fuse get heads together get together go partners hang together harmonize hash hold together homogenize hook up identify immingle immix include incorporate integrate interblend interfuse interlace interlard intermingle intermix intertwine interweave join join in join together jumble keep together knead league league together link lump together make common cause make one meld melt into one merge mingle mingle-mangle mix mix up partner play ball pull together put heads together put together reciprocate reembody relate roll into one scramble shade into shuffle solidify stand together stick stir up syncretize syndicate synthesize team up throw in together throw together tie in tie up toss together unify unite unite efforts wed work work together