Source : Webster's Revised Unabridged Dictionary (1913)

Excitement \Ex*cite"ment\n. [Cf. OF. excitement, escitement.]
   1. The act of exciting, or the state of being roused into
      action, or of having increased action; impulsion;
      agitation; as, an excitement of the people.

   2. That which excites or rouses; that which moves, stirs, or
      induces action; a motive.

            The cares and excitements of a season of transition
            and struggle.                         --Talfowrd.

   3. (Physiol.) A state of aroused or increased vital activity
      in an organism, or any of its organs or tissues.

Source : WordNet®

excitement
     n 1: the feeling of lively and cheerful joy; "he could hardly
          conceal his excitement when she agreed" [syn: {exhilaration}]
     2: the state of being emotionally aroused and worked up; "his
        face was flushed with excitement and his hands trembled";
        "he tried to calm those who were in a state of extreme
        inflammation" [syn: {excitation}, {inflammation}, {fervor},
         {fervour}]
     3: something that agitates and arouses; "he looked forward to
        the excitements of the day" [syn: {excitation}]
     4: disturbance usually in protest [syn: {agitation}, {turmoil},
         {upheaval}, {hullabaloo}]