slake \SLAYK\, transitive verb:
1. To satisfy; to quench; to extinguish; as, to slake thirst.
2. To cause to lessen; to make less active or intense; to moderate; as, slaking his anger.
3. To cause (as lime) to heat and crumble by treatment with water.
intransitive verb:
To become slaked; to crumble or disintegrate, as lime.
My companions never drink pure water and the . . . beer serves as much to slake their thirst as to fill their stomachs and lubricate conversation.
--Philippe Descola, The Spears of Twilight
She had the money he gave her (never enough to slake her anxieties).
--Nuala O'Faolain, Are You Somebody
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That being noted - the problem is that most people are not aware it's a word - so that really hurts any possible value.