censor — If someone in authority censors letters or the media, they officially examine them and cut out any information that is regarded as secret.
cut — If you cut something, you use a knife or a similar tool to divide it into pieces, or to mark it or damage it. If you cut a shape or a hole in something, you make the shape or hole by using a knife or similar tool.
bleep — A bleep is a short, high-pitched sound, usually one of a series, that is made by an electrical device.
bowdlerize — To bowdlerize a book or film means to take parts of it out before publishing it or showing it.
bowdlerise — to expurgate (a written work) by removing or modifying passages considered vulgar or objectionable.
cleanse — To cleanse a place, person, or organization of something dirty, unpleasant, or evil means to make them free from it.
decontaminate — To decontaminate something means to remove all germs or dangerous substances from it.
lustrate — to purify by a propitiatory offering or other ceremonial method.
purge — to rid of whatever is impure or undesirable; cleanse; purify.
purify — to make pure; free from anything that debases, pollutes, adulterates, or contaminates: to purify metals.
sanitize — to free from dirt, germs, etc., as by cleaning or sterilizing.
sanitise — to free from dirt, germs, etc., as by cleaning or sterilizing.
screen — a movable or fixed device, usually consisting of a covered frame, that provides shelter, serves as a partition, etc.
scrub — to rub hard with a brush, cloth, etc., or against a rough surface in washing.
squash — to press into a flat mass or pulp; crush: She squashed the flower under her heel.
sterilize — to destroy microorganisms in or on, usually by bringing to a high temperature with steam, dry heat, or boiling liquid.
sterilise — to destroy microorganisms in or on, usually by bringing to a high temperature with steam, dry heat, or boiling liquid.
blip — A blip is a small spot of light, sometimes occurring with a short, high-pitched sound, which flashes on and off regularly on a piece of equipment such as a radar screen.
blue pencil — deletion, alteration, or censorship of the contents of a book or other work
clean up — If you clean up a mess or clean up a place where there is a mess, you make things tidy and free of dirt again.