1) Be teeming, be abuzz 2) Become abundant 3) Breed freely and abundantly 4) Buzz 5) Germinate 6) Increase rapidly 7) Move in large numbers 8) Multiply 9) Seethe 10) Send forth sprouts 11) Sprout 12) Swarm 13) Teem 14) To be filled 15) To be produced as offspring 16) To exist abundantly 17) To germinate 1) Bourgeon 2) Breed 3) Germinate 4) Teem 
to swarm; to teem; to breed freely; to sprout
• (v. i.) To germinate; to bud; to multiply abundantly.
To undergo pullulation. ... (05 Mar 2000) ... 
Pul'lu·late intransitive verb [ Latin pullulatus , past participle of pullulare to sprout, from pullulus a young animal, a sprout, dim. of pullus . See pullet .] To germinate; to bud; to multiply abundantly. Warburton. 
Type: Term Pronunciation: pyul′ū-lāt Definitions: 1. To undergo pullulation.
[v] - become abundant 2. [v] - breed freely and abundantly
to send forth sprouts, buds, etc.; germinate; sprout. · to breed, produce, or create rapidly. · to increase rapidly; multiply. · to exist abundantly; swarm; teem. · to be produced as offspring.