The term "disconfirm" refers to the act of contradicting or disproving a hypothesis or belief. Antonyms for the word include confirm, validate, substantiate, and support, meaning to prove or demonstrate the truth or validity of a belief, theory, or statement. Other antonyms include affirm, approve, endorse, accept, and embrace, meaning to acknowledge or agree with a statement or belief. The opposite of disconfirm may also be expressed by words like uphold, back, or corroborate, meaning to back or strengthen a belief or hypothesis. In short, while disconfirm means to deny or negate a belief, its antonyms indicate recognition, acceptance, or validation of that belief.