Mit·i·gate v. t. [imp. & p. p. Mitigated p. pr. & vb. n. Mitigating.]
1. To make less severe, intense, harsh, rigorous, painful, etc.; to soften; to meliorate; to alleviate; to diminish; to lessen; as, to mitigate heat or cold; to mitigate grief.
2. To make mild and accessible; to mollify; -- applied to persons. [Obs.]
This opinion . . . mitigated kings into companions. --Burke.
Syn: -- To alleviate; assuage; allay. See Alleviate.