utoliti

1. (of thirst, hunger) to quench; to satisfy
   Popio sam čašu vode da utolim žeđ. — I drank a glass of water to quench my thirst.
   Sendvič je utolio glad do ručka. — The sandwich kept my hunger at bay until lunch.
2. (of desire, curiosity) to satisfy
   Pročitala je pismo da utoli radoznalost. — She read the letter to satisfy her curiosity.

The imperfective is utoljavati.