This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. the act of sanitizing something, or something that has been sanitized

n. the process of editing a security-classified document in order to reduce its classification level

n. making something sanitary (free of germs) as by sterilizing

"There is a tendency to equate end-of-life data protection with data sanitization, which is only one essential component of the process."

cleanup    cleaning    cleansing