verb (v)

• satisfy (thirst)(verb.consumption)

  Example:
  The cold water quenched his thirst.
  

  Synonym:
  allay, assuage, slake
  

  source: wordnet30
• put out, as of fires, flames, or lights(verb.weather)

  Example:
  Quench the flames.
  

  Synonym:
  blow out, extinguish, snuff out
  Antonym:
  ignite, light
  

  source: wordnet30
• electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device(verb.social)

  source: wordnet30
• suppress or crush completely(verb.change)

  Example:
  Quench a rebellion.
  

  Synonym:
  quell, squelch
  

  source: wordnet30
• reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance(verb.change)

  source: wordnet30
• cool (hot metal) by plunging into cold water or other liquid(verb.change)

  Example:
  Quench steel.
  

  source: wordnet30
• To extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc.(verb)

  source: webster1913
• To become extinguished; to go out; to become calm or cool.(verb)

  source: webster1913