Origin: 1300–50; ME
apesen < AF
apeser, OF
apais(
i)
er, equiv. to
a- a- 5 +
paisi- peace +
-er inf. suffix

Related forms: ap⋅peas⋅a⋅ble, adjective
ap⋅peas⋅a⋅ble⋅ness, noun
ap⋅peas⋅a⋅bly, adverb
ap⋅pease⋅ment, noun
ap⋅peas⋅er, noun
ap⋅peas⋅ing⋅ly, adverb
Synonyms:
1. calm, placate. 3. Appease, conciliate, propitiate imply trying to preserve or obtain peace. To appease is to make anxious overtures and often undue concessions to satisfy the demands of someone with a greed for power, territory, etc.: Chamberlain tried to appease Hitler at Munich. To conciliate is to win an enemy or opponent over by displaying a willingness to be just and fair: When mutual grievances are recognized, conciliation is possible. To propitiate is to admit a fault, and, by trying to make amends, to allay hostile feeling: to propitiate an offended neighbor.
Antonyms:
1. enrage. 2. increase, arouse, sharpen. 3. defy.