Synonyms and related words :
abound, accrue, accumulate, advance, appreciate, balloon, be fruitful, be productive, beget, bloat, boom, breed, breed true, bristle with, broaden, burgeon, copulate, crawl with, creep with, crescendo, crossbreed, develop, engender, exuberate, father, flow, fructify, gain, gain strength, generate, get, get ahead, go up, grow, gush, inbreed, increase, intensify, make love, mother, mount, multiply, mushroom, outbreed, overflow, pour, procreate, propagate, pullulate, rain, reproduce, reproduce in kind, rise, run over, run up, shoot up, shower, sire, snowball, spread, stream, strengthen, swarm with, swell, teem, teem with, wax, widen