1.VerbTo make quiet; to calm; to reduce (something) to a state of peace; to dispel (anger, hatred, etc.).
"to appease the tumult of the ocean"
2.VerbTo make conciliatory offerings or concessions to (someone) in an attempt to dispel their anger, aggression, etc.; to adapt to the demands of; to come to terms with.
"They appeased the angry gods with burnt offerings."