To moderate (a quality or condition) in force or intensity; alleviate. See Synonyms at relieve.(verb-transitive)
To become milder.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mitigate" in a sentence
"Whether or not preventative care will mitigate is debatable."
"The easies way to mitigate is to lock down the desktops, have specific/tight firewall rules, and do content filtering."
"Stating reasons in direct, honest terms mitigate fears you're looking for temporary job"