The Collaborative International Dictionary
Assuager
Assuager \As*sua"ger\, n. One who, or that which, assuages.
Wiktionary
assuager
n. Someone who or something which assuage.
Usage examples of "assuager".
The Tsuris Trap and the Rage-Assuager, available only from your pal Al, votre ami Phee.
Water was the life-giver, the welcome assuager of terrible, burning thirst.