leavening Synonyms

leaven make rise yeast volatilization transform suffuse raise raising prove pervade yeasty catalyst fermentation agent yeastlike marmite sourdough bicarbonate of soda baking powder liven up puff up motivation permeate mould enzyme enliven energize elevating electrify ebullition barm bacteria expand ferment fermenting malting lifting lift invigorate infuse imbue fungus fermentation agitator