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have leavened

  • present perfect
    of leaven.
    leaven
    noun
    a substance, as yeast or baking powder, that causes fermentation and expansion of dough or batter.

Example Sentences

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Or from the Nobel laureate George Stigler, whose essay “The Intellectual and the Marketplace” would have leavened Bacevich’s book with something it lacks: wittiness.

From New York Times Apr. 1, 2020

As they open up new possibilities of emotional expression, they have been eagerly appropriated by other composers and have leavened all modern music.

From Chopin and Other Musical Essays by Henry Theophilus Finck

The divine savor may have leavened the whole race before history was written.

From The Old Roman World, : the Grandeur and Failure of Its Civilization. by John Lord

Even a very little of the tender spirit that this lesson breathes, even a very little of its sense of play, would have leavened the Original Stories into a more wholesome consistency. 

From Mary Wollstonecraft's Original Stories by Mary Wollstonecraft

The beneficent results of the Great Revolution have leavened the whole world.

From The Story of Paris by Katherine Kimball