accompaniment, accordance, affluence, afflux, affluxion, agglomeration, agglutination, aggregation, agreement, alliance, approach, articulation, assemblage, assemblee, assembly, assignation, association, asymptote, at home, ball, bond, bottleneck, bracketing, brawl, cahoots, call-up, canvass, caucus, census, clustering, co-working, coaction, coincidence, collaboration, collection, collectivity, colligation, collision course, collocation, colloquium, collusion, combination, combined effort, commission, committee, communication, comparison, concatenation, concentralization, concentration, concert, concerted action, conclave, concomitance, concordance, concurrence, confluence, conflux, congeries, conglomeration, congregation, congress, conjugation, conjunction, connection, consilience, conspiracy, conventicle, convention, convergence, converging, convocation, cooperation, copulation, corralling, correspondence, council, coupling, course, crosscurrent, crossing, current, dance, data-gathering, date, defluxion, diet, downflow, downpour, drift, driftage, eisteddfod, festivity, fete, flow, flowing, fluency, flux, focalization, focus, forgathering, forum, funnel, gathering, get-together, gush, hookup, housewarming, hub, inflow, ingathering, intercommunication, intercourse, interlinking, inventory, joinder, joining, jointure, junction, juxtaposition, knotting, levee, liaison, linkage, linking, marriage, meet, meeting, merger, merging, mill run, millrace, mobilization, muster, mutual approach, narrowing gap, onrush, onward course, outflow, pairing, panel, parasitism, party, plenum, prom, quorum, race, radius, rally, reception, rendezvous, rodeo, roundup, run, rush, saprophytism, seance, session, set, shindig, simultaneity, sit-in, sitting, soiree, spate, splice, spokes, stream, surge, survey, symbiosis, symposium, synchronism, synergy, synod, tangent, tide, tie-in, tie-up, tie, trend, turnout, undercurrent, undertow, unification, union, united action, water flow, yoking