cleanse - purge of an ideology, bad thoughts, or sins; "Purgatory is supposed to cleanse you from your sins"

relieve - free from a burden, evil, or distress

smooth out, smooth - free from obstructions; "smooth the way towards peace negociations"

clear - clear from impurities, blemishes, pollution, etc.; "clear the water before it can be drunk"

disinfest - rid of vermin; "The exterminator disinfests the house"

disembody - free from a body or physical form or reality