Obs. [f. as prec. + -ING2.] Making known or expressing regard, esteem, gratitude; grateful. (Fr. reconnaissant.) Now only as participle.

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1692.  Dryden, St. Euremont’s Ess., 199. There are but few acknowledging Persons. Ibid. (a. 1700), Dram. Wks. (1701), III. 8. Certainly, if ever Nation were oblig’d, either by the Conduct, the Personal Valour, or the good Fortune of a Leader, the English are acknowledging, in all of them, to your royal Highness.

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1750–1.  Mrs. Delany, Lett., 9. She … was … so acknowledging that I should desire her acquaintance, that she overwhelmed me with her civilities.

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