affiliate, ally, approach, associate, band together, be in cahoots, bunch, bunch up, cabal, cement a union, center, center on, center round, close, close in, close up, close with, club, club together, come together, concenter, concentralize, concentrate, confederate, consociate, conspire, converge, couple, fall in with, federalize, federate, funnel, gang, gang up, go in partners, go in partnership, hook up with, intersect, join forces, join fortunes with, join together, join up with, join with, league, marry, meet, middle, narrow the gap, nip, organize, pair, pair off, partner, pinch, run together, stand together, stand up with, taper, team up with, team with, throw in with, tie in with, tie up with, unionize, unite, unite with, wed
combine, unite, incorporate, amalgamate, embody, absorb, reembody, blend, merge, fuse, melt into one, consolidate, coalesce, centralize
, impregnate, put together, lump together, cement a union, marry.
be central, converge, render central, centralize
, concentrate, bring to a focus.