Search Result for "proliferation": 
Wordnet 3.0

NOUN (2)

1. growth by the rapid multiplication of parts;

2. a rapid increase in number (especially a rapid increase in the number of deadly weapons);
- Example: "the proliferation of nuclear weapons"

The Collaborative International Dictionary of English v.0.48:

Proliferation \Pro*lif`er*a"tion\, n. [1913 Webster] 1. (Biol.) The continuous development of cells in tissue formation; cell formation. --Virchow. [1913 Webster] 2. (Zool.) The production of numerous zooids by budding, especially when buds arise from other buds in succession. [1913 Webster]
WordNet (r) 3.0 (2006):

proliferation n 1: growth by the rapid multiplication of parts 2: a rapid increase in number (especially a rapid increase in the number of deadly weapons); "the proliferation of nuclear weapons" [ant: non-proliferation, nonproliferation]
Moby Thesaurus II by Grady Ward, 1.0:

80 Moby Thesaurus words for "proliferation": access, accession, accretion, accrual, accruement, accumulation, addition, advance, aggrandizement, amplification, appreciation, ascent, augmentation, ballooning, begetting, bloating, boom, boost, breeding, broadening, buildup, burgeoning, crescendo, crossbreeding, development, dissogeny, edema, elevation, endogamy, engenderment, enlargement, escalation, expansion, extension, flood, fructification, gain, generation, greatening, growth, gush, hike, inbreeding, increase, increment, inflation, jump, leap, linebreeding, mounting, multiple, multiplication, multiplication table, multiplier, multiplying, outbreeding, procreation, production, productiveness, prolification, propagation, pullulation, raise, reproduction, rise, snowballing, spread, surge, swelling, tables, tumescence, up, upping, upsurge, upswing, uptrend, upturn, waxing, widening, xenogamy