[UN-2 8.] The action of undeceiving or the fact of being undeceived.

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1694.  Gracian’s Courtier’s Orac., 191. At present undeception is politick, it goes commonly betwixt two lights.

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1820.  C. R. Maturin, Melmoth, xxix. IV. 309. Oh Margaret—that undeception plants a dagger in the heart.

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1870.  R. Black, trans. Guizot’s France, I. xiii. 301. Length of life brings, in the soul of the ambitious, days of hearty undeception.

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