

Yeast will ferment the sugar in the dough.
To cause a substance to undergo a chemical change, often producing gas or alcohol.
The apples will ferment if left out too long.
We can ferment the grapes to make wine.
The mixture will ferment and bubble over time.
ferment sugar
ferment alcohol
ferment dough
brew
cultivate
macerate
There was a ferment of ideas during the meeting.
A state of agitation or excitement, often related to social or political change.
The city was in a ferment of protests last summer.
There is a ferment of creativity in the art community.
The election sparked a ferment of opinions among the voters.
social ferment
political ferment
cultural ferment
turmoil
upheaval
excitement