Alleviate

[Britney]

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.

[Vania]

To lessen, diminish, [palliate], [extenuate], [mitigate].

[Hina Muqadas]

Make (suffering, deficiency, or a problem) less severe.

[Jessica]

to make something bad such as pain or problems less severe: