'agitation' definitions:

Definition of 'agitation'

From: WordNet
noun
A mental state of extreme emotional disturbance
noun
A state of agitation or turbulent change or development; "the political ferment produced new leadership"; "social unrest" [syn: agitation, ferment, fermentation, tempestuousness, unrest]
noun
The feeling of being agitated; not calm [ant: calmness]
noun
Disturbance usually in protest [syn: agitation, excitement, turmoil, upheaval, hullabaloo]
noun
The act of agitating something; causing it to move around (usually vigorously)

Synonyms of 'agitation'

From: Moby Thesaurus