extinguish

verb extinguish

• quench — to slake, satisfy, or allay (thirst, desires, passion, etc.).
• douse — to plunge into water or the like; drench: She doused the clothes in soapy water.
• snuff — to cut off or remove the snuff of (candles, tapers, etc.).
• smother — to stifle or suffocate, as by smoke or other means of preventing free breathing.
• switch off — the act or process of switching off a power supply, light source, appliance, etc.