pacify, lenify, conciliate, assuage, appease, mollify, placate, gentle, gruntle (verb)

cause to be more favorably inclined; gain the good will of

"She managed to mollify the angry customer"

pacify (verb)

fight violence and try to establish peace in (a location)

"The U.N. troops are working to pacify Bosnia"

pacify (Verb)

To bring peace to (a place or situation), by ending war, fighting, violence, anger or agitation.

pacify (Verb)

To appease (someone).