From Wiktionary, the free dictionary
deprogram (third-person singular simple present deprograms, present participle deprogramming or (rare) deprograming, simple past and past participle deprogrammed or (rare) deprogramed)
- (transitive) To counteract the effects of previous programming or brainwashing, especially in an attempt to persuade (a person) to abandon allegiance to a cult.
to counteract the effects of previous programming or brainwashing