Allay
Part of speech: verb
Definition: To make quiet or put at rest; to pacify or appease; to quell; to calm. To alleviate; to abate; to mitigate.
Assuage
Part of speech: verb
Definition: To lessen the intensity of, to mitigate or relieve (hunger, emotion, pain etc.).To pacify or soothe (someone).To calm down, become less violent (of passion, hunger etc.); to subside, to abate.