The Oxford Thesaurus An A-Z Dictionary of Synonyms - agitation n.

1) shaking, disturbance, churning, stirring, turbulence: The agitation made the solution become cloudy. 2) excitement, arousal, rabble-rousing, provocation, stirring up, incitement, ferment, stimulation, over-stimulation, commotion: The organized agitation of the crowds continued for weeks after the coup.