Not allowing to speak one's mind

• Forbid the public distribution of
• "1984" activity
• Deleting parts of publications or correspondence or theatrical performances
• As of movies or newspapers
• Hays office job
• Counterintelligence achieved by banning or deleting any information of value to the enemy

Wikipedia Word definitions in Wikipedia
The term censoring is used in clinical trials to refer to mathematically removing a patient from the survival curve at the end of their follow-up time. Censoring a patient will reduce the sample size for analyzing after the time of the censorship. Reducing ...

Wiktionary Word definitions in Wiktionary
n. An act of censorship. vb. (present participle of censor English)