Synonyms and related words :
approach, arrest, asymptote, bearing rein, bit, bottleneck, brake, chain, check, checkrein, chock, clog, collision course, concentralization, concentration, concourse, concurrence, confluence, conflux, congress, convergence, converging, countercheck, crossing, curb, curb bit, damper, diffusion, dispersion, doorstep, doorstop, drag, drag sail, drift anchor, drift sail, drogue, emanation, fetter, focalization, focus, footrest, footstep, funnel, holdback, hub, martingale, meeting, mutual approach, narrowing gap, pelham, radiance, radiation, radius, ray, remora, rest, riser, round, rundle, rung, scale, scattering, scotch, sea anchor, shackle, snaffle, spokes, stair, stave, stay, step, step stool, stepping-stone, stop, string, tangent, trammel, tread