brainwash

noun

1. A distorting effect upon one's memory, belief, or ideas, as by propaganda.

verb

1. (transitive)To affect one's mind by using extreme mental pressure or any other mind-affecting process. (e.g. hypnosis)
2. (dated, figuratively, transitive)To take from an electronically controlled machine its stored-up information; to erase a computer's programming. (1960)
3. (transitive)To persuade completely and forcibly.

   “The news media brainwashed many people.”