Synonyms for Appease (same or very similar meaning)
WordNet sense 1 (cause to be more favorably inclined; gain the good will of):
assuage, conciliate, gentle, mollify, pacify, placate, gruntle, lenifyWordNet sense 2 (overcome or allay):
quell, stayWordNet sense 3 (make peace with):
propitiateFrom the ODE community, based on WordNetadd/edit