to free from dirt, germs, etc., as by cleaning or sterilizing.
2.
to make less offensive by eliminating anything unwholesome, objectionable, incriminating, etc.: to sanitize a document before releasing it to the press.
Main Entry: san·i·tize Variant: also Britishsan·i·tise/'san-&-"tIz/ Function: transitive verb Inflected Forms:-tizedalso British-tised; -tiz·ingalso British-tis·ing : to make sanitary (as by cleaning or sterilizing) sanitized, pathogens may be disseminated to subsequent patients —Journal of the American Medical Association> —san·i·ti·za·tionalso Britishsan·i·ti·sa·tion/"san-&t-&-'zA-sh&n/noun
[san-i-tahyz] 
ɪˌtaɪz