pacify
verb
[ ˈpasɪfʌɪ ]
• quell the anger, agitation, or excitement of.
• "he had to pacify angry spectators"
Similar:
placate,
appease,
calm,
calm down,
conciliate,
propitiate,
assuage,
mollify,
soothe,
tranquillize,
content,
still,
silence,
relax,
compose,
quieten,
quiet,
Origin:
late 15th century (earlier (late Middle English) as pacification ): from Old French pacefier, from Latin pacificare, based on pax, pac- ‘peace’.