dematerialize (v.)

• attenuate
• cease
• depart
• die
• disappear
• disembody
• disincarnate
• dispel
• disperse
• dissipate
• dissolve
• dwindle
• enervate
• erode
• etherealize
• evanesce
• evaporate
• exit
• fade
• flee
• fly
• go
• hide
• idealize
• immaterialize
• melt
• pass
• perish
• rarefy
• sap
• sink
• spiritize
• spiritualize
• subtilize
• unsubstantialize
• vanish
• waste
• weaken