Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb mitigate
2 senses of mitigate
Sense 1
extenuate, palliate, mitigate -- (lessen or to try to lessen the seriousness or extent of; "The circumstances extenuate the crime")
=> apologize, apologise, excuse, justify, rationalize, rationalise -- (defend, explain, clear away, or make excuses for by reasoning; "rationalize the child's seemingly crazy behavior"; "he rationalized his lack of success")
Sense 2
mitigate -- (make less severe or harsh; "mitigating circumstances")
=> decrease, lessen, minify -- (make smaller; "He decreased his staff")