What does agitation mean?
The definition of agitation
Ag`i*ta”tion, n.
Etym: [L. agitatio: cf. F. agitation.]

1 The act of agitating, or the state of being agitated; the state of being moved with violence, or with irregular action; commotion; as, the sea after a storm is in agitation.
2 A stirring up or arousing; disturbance of tranquillity; disturbance of mind which shows itself by physical excitement; perturbation; as, to cause any one agitation.
3 Excitement of public feeling by discussion, appeals, etc.; as, the antislavery agitation; labor agitation. “Religious agitations.” Prescott.
4 Examination or consideration of a subject in controversy, or of a plan proposed for adoption; earnest discussion; debate. A logical agitation of the matter. L’Estrange. The project now in agitation. Swift.

— Emotion; commotion; excitement; trepidation; tremor; perturbation. See Emotion.