ferment

[1]	boil , effervesce , seethe , bubble , foam , froth , brew , rise , raise , work , leaven
[2]	excite , stir up , incite , instigate , agitate , foment , inflame , rouse , provoke
[3]	work
[4]	sour , turn , work

[1]	agitation , fermentation , tempestuousness , unrest
[2]	zymosis , zymolysis , fermentation , fermenting