Antonyms for the phrase "being led to believe" could include "knowing the truth," "having certainty," or "being informed." These phrases indicate a sense of assurance or confidence in one's understanding of a situation. Other antonyms might include "being skeptical," "doubting," or "questioning," suggesting a lack of trust or faith in the information presented. Alternatively, antonyms could include phrases indicating an active role in seeking truth or gathering information, such as "investigating," "researching," or "exploring." Overall, antonyms for "being led to believe" would emphasize the importance of critical thinking and a willingness to question assumptions and beliefs.