to cause someone who is angry or upset to be calm and satisfied

He pacified his crying child with a bottle. 他用奶瓶来哄自己哭闹的孩子。

It was difficult for the police to pacify the angry crowd. 警方很难使愤怒的人群平静下来。

to bring peace to a place or end war in a place, often using military force

A UN force has been sent in to try and pacify the area worst affected by the civil war. 已派去一支联合国部队以设法稳定受内战影响最严重的地区。