arch. Also 5 appreffe, apref. [a. OFr. aprove, -euve, proof, trial, f. aprove-r:—L. approbā-re: see APPROBATE and APPROVE. Cf. the simple proof, a. OFr. prove, preuve.]

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  1.  The act of proving; trial, experience, proof.

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1436.  Pol. Poems (1859), II. 167. Thys good kynge, be wytt of such appreffe, Kepte hys marchauntes … fro myscheffe.

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1601.  Shaks., All’s Well, II. v. 3. A Souldier … and of verie valiant approofe.

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1881.  Swinburne, Mary Stuart, IV. i. Known By proof more potent than approof of law In all points guilty.

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  2.  Sanction, approval, approbation.

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1439.  E. E. Wills (1882), 119. In witnessyng and very a-pref whereof … I have put the seale of my Armes.

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1603.  Shaks., Meas. for M., II. iv. 174. One and the selfesame tongue, Either of condemnation, or approofe.

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1652.  Gaule, Magastrom., 114. Whether any sound orthodox Christian ever did write in the approof of judiciary and predicting astrologie?

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a. 1850.  Rossetti, Dante & Circle, I. (1874), 111. She bowed her mild approof And salutation to all men of worth.

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