Antonyms of verb undeceive

1 sense of undeceive

Sense 1
undeceive -- (free from deception or illusion)
       Antonym of deceive (Sense 2)
      => deceive, betray, lead astray -- (cause someone to believe an untruth; "The insurance company deceived me when they told me they were covering my house")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb undeceive

1 sense of undeceive

Sense 1
undeceive -- (free from deception or illusion)
       => inform -- (impart knowledge of some fact, state or affairs, or event to; "I informed him of his rights")

Antonyms of adj undeceived

1 sense of undeceived

Sense 1
disabused (predicate), undeceived -- (freed of a mistaken or misguided notion; "some people are still not disabused of the old idea that the universe revolves around the Earth")

INDIRECT (VIA disenchanted) -> enchanted -- (influenced as by charms or incantations)

Similarity of adj undeceived

1 sense of undeceived

Sense 1
disabused (predicate), undeceived -- (freed of a mistaken or misguided notion; "some people are still not disabused of the old idea that the universe revolves around the Earth")
       => disenchanted (vs. enchanted) -- (freed from enchantment)