The word validated means to confirm that something is true or correct. There are many synonyms for this word, including verified, authenticated, confirmed, and substantiated. Other synonyms include upheld, supported, justified, and approved. Some additional synonyms for validated include ratified, endorsed, attested, and established. Essentially, any word that suggests that something has been checked, verified, or confirmed can be used as a synonym for validated. When searching for a synonym for validated, it is important to consider the context in which the word is being used to ensure that the synonym accurately conveys the intended meaning.