proliferation (n.)

• access
• accession
• accretion
• accrual
• accruement
• accumulation
• addition
• advance
• aggrandizement
• amplification
• appreciation
• ascent
• augmentation
• ballooning
• boom
• boost
• breeding
• broadening
• buildup
• crescendo
• crossbreeding
• development
• edema
• elevation
• endogamy
• enlargement
• escalation
• expansion
• extension
• flood
• fructification
• gain
• generation
• growth
• gush
• hike
• inbreeding
• increase
• increment
• inflation
• jump
• leap
• mounting
• multiple
• multiplication
• multiplier
• procreation
• production
• productiveness
• propagation
• pullulation
• raise
• reproduction
• rise
• spread
• surge
• swelling
• tables
• tumescence
• up
• upping
• upsurge
• upturn
• waxing
• widening