The word "disprove" is often used in scientific research, investigations and fact-checking to indicate that a claim or hypothesis has been found to be false. Some antonyms of the word "disprove" could be "validate," "confirm" or "support." These words suggest that a claim or hypothesis has been proved to be true or accurate. Other antonyms include "affirm," "establish," and "prove." These words affirm the validity of a hypothesis or claim. However, it is important to note that disproving a claim or hypothesis is an important part of the scientific process, allowing researchers to refine their understanding of the world and to uncover new truths.