Quench

satisfy (thirst)

suppress or crush completely

put out, as of fires, flames, or lights

cool (hot metal) by plunging into cold water or other liquid

electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device

reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance