[f. COGNIZE v. + -ER. Cf. COGNIZOR, and CONNOISSEUR, for other types.] One who or that which cognizes.

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1836.  Blackw. Mag., XL. Aug., 255/2. Intellect is the cognizer of all forms.

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1877.  Blackie, Wise Men, Ep. Ded. p. xii. That formative plastic unity of an inherent λόγος, without which neither a cogniser nor a cognised in any world is possible.

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