disinhibit

/ˌdɪsɪnˈhɪbɪt/
verb
  1. To remove or reduce inhibitions, making someone act more freely or impulsively.
    • Alcohol can disinhibit people, causing them to say things they normally wouldn't.
    • The therapy aims to disinhibit patients so they can express their true feelings.
    • Certain medications may disinhibit behavior in some individuals.