Alleviate

Webster's Dictionary of the English Language

·vt To lighten or lessen the force or weight of.

II. Alleviate ·vt To Extenuate; to Palliate.

III. Alleviate ·vt To lighten or lessen (physical or mental troubles); to mitigate, or make easier to be endured; as, to alleviate sorrow, pain, care, ·etc. ;

— opposed to aggravate.