[f. L. attemperāt- (see above) and -ATION.] The action of attempering or regulating; suitable modification; spec. in Rhet. (see quot.)

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1620.  Venner, Via Recta, 7. The better sustentation, and attemperation of our spirits.

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1723.  Shaw, Bacon’s Wisd. Ancients (1860), 223. Effected … by proper and exquisite attemperations of nature.

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1753.  Chambers, Cycl. Supp., Attemperation … the casting a restriction, or softening, on something said, by the formulas, Fama est, ut perhibent.

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