Webster’s Revised Unabridged Dictionary · 1913
Moisten
Mois′ten, v. t. [imp. & p. p. Moistened; p. pr. & vb. n. Moistening.] 1. To make damp; to wet in a small degree.
A pipe a little moistened on the inside. Bacon.
2. To soften by making moist; to make tender.
It moistened not his executioner's heart with any pity. Fuller.