assuage

verbs

cause to be more favorably inclined; gain the good will of
"She managed to mollify the angry customer"
appease, assuage, conciliate, gentle, gruntle, lenify, mollify, pacify, placate
satisfy (thirst)
"The cold water quenched his thirst"
allay, assuage, quench, slake
provide physical relief, as from pain
"This pill will relieve your headaches"
alleviate, assuage, palliate, relieve
is derived from
assuagement