a. [ad. med.L. benefactōri-us, f. benefactōr-em BENEFACTOR: see -ORY.] Of or pertaining to a benefactor; conferring a benefit; beneficial.

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1744.  J. Lewis, Life Bp. Pecock, 150. Their singing of special prayers for people by name, as famulory and benefactory.

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1884.  Thorley, Farmers’ Alm., 42. The great benefactory result from continually strewing handfuls of salt on hay … has long been known.

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