Antonyms for the word "disaffirms" include "affirms," "confirms," "validates," "verifies," "asserts," "proclaims," "ratifies," "endorses," "backs," and "acknowledges." These words possess a positive connotation indicating that they testify to the validity of a particular claim or statement. "Disaffirm," on the other hand, has a negative connotation signaling that something is not true or false, hence requiring further examination to ascertain its legitimacy. Therefore, it is vital to use the appropriate antonym when creating a sentence that would best convey the intended meaning.