Sadden
Sadden , transitive verb
To make sad.
(a)
To render heavy or cohesive. [Obsolete]
Marl is binding, and saddening of land is the great prejudice it doth to clay lands.
(b)
To make dull- or sad-colored, as cloth.
(c)
To make grave or serious; to make melancholy or sorrowful.
Her gloomy presence saddens all the scene.
Sadden , intransitive verb
To become, or be made, sad. — Tennyson