Believing is the act of accepting something as true or real. On the other hand, disbelief refers to the lack of belief or faith in something. The antonyms for the word disbelieving, therefore, mean trusting or having faith in something. Here are some of the antonyms for disbelieving: believing, trusting, accepting, persuaded, credulous, certain, convinced, and persuaded. These words suggest a belief in something, a willingness to accept it without question or doubt. While disbelief can sometimes be a healthy skepticism, knowing its antonyms is just as important to have a balanced perspective.