i Register
In some senses, assuage is marked as obsolete. Watch for register when choosing this word.
verb
To lessen the intensity of, to mitigate or relieve (hunger, emotion, pain, etc.).
Refreshing winds the summer's heat assuage.
to assuage the sorrows of a desolate old man
To pacify or soothe (someone).
To calm down, become less violent (of passion, hunger etc.); to subside, to abate.