All 3 Uses

agitate
in
The Murders in the Rue Morgue
(Auto-generated)

Is nervous, and was apprehensive of the consequences of agitation.†
*

agitation = the act of stirring up (emotionally or physically); or a state of emotional unrest
He may have traced it to the chamber; but, under the agitating circumstances which ensued, he could never have re-captured it.†

agitating = stirring up (emotionally or physically)
Conscious of having deserved punishment, it seemed desirous of concealing its bloody deeds, and skipped about the chamber in an agony of nervous agitation; throwing down and breaking the furniture as it moved, and dragging the bed from the bedstead.†

agitation = the act of stirring up (emotionally or physically); or a state of emotional unrest

Definitions:

(1) (agitate)
to stir up or shake -- emotionally (as when people are angered or upset) or physically (as when a washing machine cleans clothes)
(2) (meaning too rare to warrant focus)