The word "mythicize" is a verb that means to portray or exaggerate something as mythical or legendary. Antonyms for "mythicize" would be words that mean to present something as factual, realistic, or mundane. For example, some antonyms might include "de-mythicize," "de-bunk," "de-glamorize," "de-exaggerate," or "depict realistically." These words reflect a desire to strip away mystical or legendary elements and present a clear-eyed, objective view of the subject at hand. In contrast to "mythicize," these antonyms suggest a preference for facts over fantasy, and a commitment to providing honest, truth-based depictions of events or ideas.