Source : Webster's Revised Unabridged Dictionary (1913)

Agitation \Ag`i*ta"tion\, n. [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.

   Syn: Emotion; commotion; excitement; trepidation; tremor;
        perturbation. See {Emotion}.

Source : WordNet®

agitation
     n 1: a mental state of extreme emotional disturbance
     2: a state of agitation or turbulent change or development;
        "the political ferment produced a new leadership"; "social
        unrest" [syn: {ferment}, {fermentation}, {unrest}]
     3: the feeling of being agitated; not calm [ant: {calmness}]
     4: disturbance usually in protest [syn: {excitement}, {turmoil},
         {upheaval}, {hullabaloo}]
     5: the act of agitating something; causing it to move around
        (usually vigorously)