The act of imparting something, or the thing imparted; disclosure.
1673, Nathaniel Wanley, The Wonders of the Little World, London: T. Basset et al., Book 4, Chapter 22 “Of the Ignorance of the Ancients, and others,” p. 401,
It is not therefore the design of this Chapter to uncover the nakedness of our Fathers, so as to expose it to the petulancy of any, but rather to congratulate those further accessions of light and improvements in knowledge, which these latter Ages have attained unto, and to celebrate the wisdom and goodness of the great Creator, who hath not been so liberal in his impartments to our Progenitours, but that he hath reserved something wherewith to gratifie the modest inquiries, and industrious researches of after-times.