General:
* Censor: This is a broad term that encompasses any process of suppressing or editing content.
* Blocker: This implies a system that prevents certain content from being accessed.
* Screen: This suggests a process of examining content for specific elements.
* Moderator: This refers to a person or system that manages and controls content.
Specific:
* Profanity filter: This is a filter that specifically targets offensive language.
* Spam filter: This blocks unwanted or unsolicited messages.
* Content filter: This is a general term for any filter that modifies or blocks content.
* Keyword filter: This specifically targets content that includes certain words or phrases.
Informal:
* Clean up: This implies a general process of removing unwanted content.
* Tone down: This suggests a process of making content less offensive or controversial.
* Scrub: This is a more informal term that implies a thorough removal of unwanted content.
To choose the best synonym, consider the specific context of the word "filter" and what you want to emphasize.