- leaven
- n1. leavening, ferment, barm, pepsin, soda; baking soda, baking powder, yeast, zyme, enzyme, zymogen; maltase, diastase, invertase, zymase.2. catalyst, catalytic agent, agent, factor, element, determinant; transformer, modifier, alterer, alterative, alterant; modificator, adapter, changer, converter.v3. raise, ferment, lighten, work, expand; effervesce, pepsinate.4. permeate, infuse, pervade, imbue; diffuse, suffuse, transfuse, penetrate, instill; enliven, lift, elevate, inspirit, stimulate, enhearten, quicken, inspire.5. infect, tinge, season, temper, soften, affect; lighten, mitigate, palliate, assuage, reduce, abate; moderate, alter, adjust, transform, make; qualify, restrict, modify, limit; make into, turn into, reduce to, render.
A Note on the Style of the synonym finder. 2014.