All 3 Uses

agitate
in
Like Water for Chocolate
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Tita felt a violent agitation take possession of her being: still fingering the sausage, she calmly met her mother's gaze and then, instead of obeying her order, she started to tear apart all the sausages she could reach, screaming wildly.†
Chpt 5

agitation = the act of stirring up (emotionally or physically); or a state of emotional unrest
Tita was beginning to wonder if the feeling of peace and security that John gave her wasn't true love, and not the agitation and anxiety she felt when she was with Pedro.†
Chpt 7
"You know that she can't marry!" she exclaimed, gripped by a violent agitation.†
Chpt 7 *

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)