Source : Webster's Revised Unabridged Dictionary (1913)

Commotion \Com*mo"tion\, n. [L. commotio: cf. F. commotion. See
   {Motion}.]
   1. Disturbed or violent motion; agitation.

            [What] commotion in the winds !       --Shak.

   2. A popular tumult; public disturbance; riot.

            When ye shall hear of wars and commotions. --Luke
                                                  xxi. 9.

   3. Agitation, perturbation, or disorder, of mind; heat;
      excitement. ``He could not debate anything without some
      commotion.'' --Clarendon.

   Syn: Excitement; agitation; perturbation; disturbance;
        tumult; disorder; violence.

Source : WordNet®

commotion
     n 1: a disorderly outburst or tumult; "they were amazed by the
          furious disturbance they had caused" [syn: {disturbance},
           {disruption}, {stir}, {flutter}, {hurly burly}, {to-do},
           {hoo-ha}, {hoo-hah}, {kerfuffle}]
     2: the act of making a noisy disturbance [syn: {din}, {ruction},
         {ruckus}, {rumpus}, {tumult}]
     3: confused movement; "he was caught up in a whirl of work"; "a
        commotion of people fought for the exits" [syn: {whirl}]