Similar word to appease:

allay, alleviate, assuage, be enough, blunt, calm, compose, conciliate, content, diminish, do, ease, gratify, lessen, lull, make matters up, meet halfway, mitigate, mollify, patch things up, placate, propitiate, quell, quench, quiet, serve, soften, soothe, subdue, sweeten, tran