1. no longer deceived or misled; made aware of the truth

Examples

• She was finally undeceived about his true intentions.
• The voters remained undeceived by the politician’s empty promises.
• Once undeceived, he could see the situation clearly.
• The investigation left the public undeceived about the company’s practices.
• He felt relieved to be undeceived at last.
• The evidence left her completely undeceived about what had happened.