The condition or quality of converging; tendency to one point; the occurrence of two or more things coming together. [1913 Webster]
the approach of an infinite series to a finite limit. [WordNet 1.5]
a representation of common ground between theories or phenomena. [WordNet 1.5]
the act of converging (coming closer). [WordNet 1.5]
a similarity of form or function in two or more organisms caused by evolutionary adaptations to a similarity in the environment, rather than to a common heredity. [PJC]
"The convergence or divergence of the rays falling on the pupil." [1913 Webster]

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ROGET THESAURUS

convergence

Assemblage

N assemblage, collection, collocation, colligation, compilation, levy, gathering, ingathering, muster, attroupement, team, concourse, conflux, congregation, contesseration, convergence, meeting, levee, reunion, drawing room, at home, conversazione, assembly, congress, convention, conventicle, gemote, conclave, posse, posse comitatus, Noah's ark, miscellany, collectanea, museum, menagerie, museology, crowd, throng, group, flood, rush, deluge, rabble, mob, press, crush, cohue, horde, body, tribe, crew, gang, knot, squad, band, party, swarm, shoal, school, covey, flock, herd, drove, atajo, bunch, drive, force, mulada, remuda, roundup, array, bevy, galaxy, corps, company, troop, troupe, task force, army, regiment, host, populousness, clan, brotherhood, fraternity, sorority, association, volley, shower, storm, cloud, group, cluster, Pleiades, clump, pencil, set, batch, lot, pack, budget, assortment, bunch, parcel, packet, package, bundle, fascine, fasces, bale, seron, seroon, fagot, wisp, truss, tuft, shock, rick, fardel, stack, sheaf, haycock, fascicle, fascicule, fasciculus, gavel, hattock, stook, accumulation, congeries, heap, lump, pile, rouleau, tissue, mass, pyramid, bing, drift, snowball, snowdrift, acervation, cumulation, glomeration, agglomeration, conglobation, conglomeration, conglomerate, coacervate, coacervation, coagmentation, aggregation, concentration, congestion, omnium gaterum, spicilegium, black hole of Calcutta, quantity, collector, gatherer, whip, whipper in, assembled, closely packed, dense, serried, crowded to suffocation, teeming, swarming, populous, as thick as hops, all of a heap, fasciculated cumulative, the plot thickens, acervatim, tibi seris tibi metis.

Nearness

N nearness, proximity, propinquity, vicinity, vicinage, neighborhood, adjacency, contiguity, short distance, short step, short cut, earshot, close quarters, stone's throw, bow shot, gun shot, pistol shot, hair's breadth, span, purlieus, neighborhood, vicinage, environs, alentours, suburbs, confines, banlieue, borderland, whereabouts, bystander, neighbor, borderer, approach, convergence, perihelion, near, nigh, close at hand, near at hand, close, neighboring, bordering upon, contiguous, adjacent, adjoining, proximate, proximal, at hand, handy, near the mark, near run, home, intimate, near, nigh, hard by, fast by, close to, close upon, hard upon, at the point of, next door to, within reach, within call, within hearing, within earshot, within an ace of, but a step, not far from, at no great distance, on the verge of, on the brink of, on the skirts of, in the environs, at one's door, at one's feet, at one's elbow, at one's finger's end, at one's side, on the tip of one's tongue, under one's nose, within a stone's throw, in sight of, in presence of, at close quarters, cheek by jole, cheek by jowl, beside, alongside, side by side, tete-a-tete, in juxtaposition, yardarm to yardarm, at the heels of, on the confines of, at the threshold, bordering upon, verging to, in the way, about, hereabouts, thereabouts, roughly, in round numbers, approximately, approximatively, as good as, well-nigh.

Convergence

N convergence, confluence, concourse, conflux, congress, concurrence, concentration, convergency, appulse, meeting, corradiation, assemblage, resort, asymptote, converging, convergent, confluent, concurrent, centripetal, asymptotical, asymptotic, confluxible.

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