Hypertext Webster Gateway: "undeceive"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Undeceive \Un`de*ceive"\, v. t. [1st pref. un- + deceive.]
To cause to be no longer deceived; to free from deception,
fraud, fallacy, or mistake. --South.
From WordNet (r) 1.7 (wn)
undeceive
v : free from deception or illusion [ant: {deceive}]
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