sanitize - definition and synonyms

verb [transitive] 

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/ˈsænɪtaɪz/
present tense
I/you/we/theysanitize
he/she/itsanitizes
present participlesanitizing
past tensesanitized
past participlesanitized
  1. 2
    to take out from information, writing etc parts that might be offensive or unpleasant, usually in a way that makes them less interesting and less useful

    books that sanitize history