leaven
noun
a substance, as yeast or baking powder, that causes fermentation and expansion of dough or batter.
had leavened
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past perfectof leaven.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He had spent the first half of third grade under the tutelage of a teacher named Mr. Carbine, who had leavened the civics lessons with fun facts about presidents.
From "Not Nothing" by Gayle Forman
The Parliament, shortly after it had met in May 1789, began to show, in the Commons part of it, the working of that great theory which had leavened all France for a generation.
From The French Revolution by Hilaire Belloc
It had turned the tide of the English civil war, it had leavened the more serious portion of the nation, and it had planted the New England colonies.
From The Chief End of Man by George Spring Merriam
Only a very select few were "in the know" of what that eighth round had been planned to develop, yet they somehow had leavened the whole audience with anticipation, by an indefinite word or two.
From Winner Take All by Larry Evans
I remembered him extremely well as one of those representatives of the people with whom a paternal Government had leavened the effete ranks of the Irish magistracy.
From Some Experiences of an Irish R.M. by Martin Ross
