0 past simple and past participle of leaven
1 to add a substance to bread or another food made with flour to make it increase in size when it is cooked
A scherzo displays bluff, boisterous good humour, leavened by a ruminative trio section.
In other words, exploration sparked an ecological vision, leavened with respect for the power of the natural world.
From the evidence presented it would appear that their religiosity was less intense and was leavened by a strong dose of pragmatic rationality.
The algebra is straight-forward (if daunting at first), and is leavened by frequent illustrations from a few well-chosen biological systems.
The majority of what accumulates is serious, but it is leavened with the lighthearted as well.
The surprise comes when one studies the second, main part of the book where all the philosophers and philosophical schools which allegedly "leavened" thought are discussed.
We have had not only good humour but some wit as well, which has leavened our proceedings so frequently.
I am not a lawyer, but we are doing our best to see that the situation is leavened.
