mitigate - MIT-ih-GATE - to lessen, diminish, alleviate, soften
Example: "Today on National Public Radio, controversial writer Toni Morrison hoped to mitigate the severity of the title of her recent collection of works, 'Burn this Book.'"
As a starter: and as a former teacher in English, I hope to add to reader's vocabulary by presenting a word a day in simple terms that anyone can understand - from current use in publications, radio,TV, etc. Remember: use a new word three times in a day and it's yours forever!