1.  pullulation(n = noun.process) gemmation - asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual;
is a kind of agamogenesis, asexual reproduction
Derived form verb pullulate₃

2.  pullulation(n = noun.process) - a rapid and abundant increase;
is a kind of growth, increase, increment
Derived form verb pullulate₄

   A germinating, or budding. Dr. H. More. [1913 Webster]

N  productiveness, fecundity, fertility, luxuriance, uberty, pregnancy, pullulation, fructification, multiplication, propagation, procreation, superfetation, milch cow, rabbit, hydra, warren, seed plot, land flowing with milk and honey, second crop, aftermath, aftercrop, aftergrowth, arrish, eddish, rowen, protoplasm, fertilization, productive, prolific, teeming, teemful, fertile, fruitful, frugiferous, fruit-bearing, fecund, luxuriant, pregnant, uberous, procreant, procreative, generative, life-giving, spermatic, multiparous, omnific, propagable, parturient, profitable.

N  expansion, increase of size, enlargement, extension, augmentation, amplification, ampliation, aggrandizement, spread, increment, growth, development, pullulation, swell, dilation, rarefaction, turgescence, turgidness, turgidity, dispansion, obesity, hydrocephalus, hydrophthalmus, dropsy, tumefaction, intumescence, swelling, tumor, diastole, distension, puffing, puffiness, inflation, pandiculation, dilatability, expansibility, germination, growth, upgrowth, accretion, budding, gemmation, overgrowth, overdistension, hypertrophy, tympany, bulb, plumper, superiority of size, big bang, Hubble constant, expanded larger, &c (large), swollen, expansive, wide open, wide spread, flabelliform, overgrown, exaggerated, bloated, fat, turgid, tumid, hypertrophied, dropsical, pot bellied, swag bellied, edematous, oedematous, obese, puffy, pursy, blowzy, bigswoln, distended, patulous, bulbous, full blown, full grown, full formed, big, abdominous, enchymatous, rhipidate, tumefacient, tumefying.