pacify in WordNet English dictionary

1. cause to be more favorably inclined; gain the good will of
   "She managed to mollify the angry customer"
   pacify  lenify  conciliate  assuage  appease  mollify  placate  gentle  gruntle 
   
2. fight violence and try to establish peace in (a location)
   "The U.N. troops are working to pacify Bosnia"
   pacify