Definition of "sadden"

1717, Alexander Pope, “Eloisa to Abelard”, in The Works of Mr. Alexander Pope, volumes (please specify |volume=I or II), London: […] W[illiam] Bowyer, for Bernard Lintot, […], published 1717

The turmoil went on—no rest, no peace. […] It was nearly eleven o'clock now, and he strolled out again. In the little fair created by the costers' barrows the evening only seemed beginning; and the naphtha flares made one's eyes ache, the men's voices grated harshly, and the girls' faces saddened one.

1918, W[illiam] B[abington] Maxwell, chapter VII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company

He saddens, all the magic light⁠Dies off at once from bower and hall,⁠And all the place is dark, and allThe chambers emptied of delight: […]

1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], Canto VIII

Hyacinth perfume tickled her senses, making her feel giddy, but she saddened when she saw how uncared for the garden was.

1999, Mary Ann Mitchell, Drawn To The Grave‎

Marle's binding and sadning of land being the great Prejudice it doth to Clay-lands.

1707, J[ohn] Mortimer, The Whole Art of Husbandry; or, The Way of Managing and Improving of Land. […], 2nd edition, London: […] J[ohn] H[umphreys] for H[enry] Mortlock […], and J[onathan] Robinson […], published 1708