v. a.
1.
Pacify, calm, quiet, soothe, tranquillize, allay, assuage, mollify, alleviate, mitigate, abate, ease, compose, still, hush, lull, dull, quell, blunt, temper, attemper, lessen, qualify.
2.
Propitiate, reconcile, satisfy, placate, make propitious, make favorable.