accouple, accumulate, agglutinate, amass, articulate, assemble, associate, ball, band, be intimate, beget, bill and coo, bond, bracket, breed, breed true, bridge, bridge over, bunch, bunch up, cement, chain, clap together, clot, cluster, cohabit, collect, combine, come together, commit adultery, comprise, concatenate, conglobulate, congregate, conjoin, conjugate, connect, converge, couple, cover, crossbreed, crowd, dally, date, diddle, embrace, encompass, engender, father, flock together, flow together, forgather, fornicate, frig, fuse, gang around, gang up, gather, gather around, generate, get, glue, have sex, have sexual relations, herd together, hive, horde, huddle, inbreed, include, join, knot, lay, lay together, league, lie with, link, lollygag, lump together, make it with, make love, make out, marry, marshal, mass, mate, meet, merge, mill, mobilize, mother, mount, multiply, muster, neck, outbreed, pair, pet, piece together, procreate, proliferate, propagate, put together, rally, rally around, rendezvous, reproduce in kind, roll into one, screw, seethe, serve, service, sire, sleep with, smooch, solder, span, splice, spoon, stick together, stream, surge, swarm, sweet-talk, take in, tape, throng, tie, toy, trifle, unify, unite, wanton, weld, whisper sweet nothings, yoke