moderate; make less harsh or severe
At his sentencing, the judge said, "I believe your philanthropic projects mitigate your guilt to some degree, and so I have decided to reduce your sentence by five years."
mitis (gentle, soft) (Latin)
think of MITIGATE as COLGATE (toothpaste). Use of COLGATE lessen or try to lessen the extent of germs in our teeth. Use of MITIGATE will also lessen or try lessen the extent of [depends on your usage:)}] mitigate -> MIT + i + gate. when you reach the gates of MIT. your tensions about PG admissions will be appeased/mitigated!!