Both Uses

subside
in
Rappaccini's Daughter
(Edited)

All about the pool into which the water subsided grew various plants, that seemed to require a plentiful supply of moisture for the nourishment of gigantic leaves, and in some instances, flowers gorgeously magnificent.
*

subsided = settled to a lower level
As he crossed the threshold he was met by old Lisabetta, who smirked and smiled, and was evidently desirous to attract his attention; vainly, however, as the ebullition of his feelings had momentarily subsided into a cold and dull vacuity.
*

subsided = quieted

Definitions:

(1) (subside as in: her anger subsided)
become less intense, less severe, or less active -- perhaps going away entirely
(2) (subside as in: the ground subsided)
sink or settle to a lower level
(3) (meaning too rare to warrant focus)
In classic literature, subside may be used as a synonym for sit as in "She subsided into the chair."