Source : Webster's Revised Unabridged Dictionary (1913)

Admiration \Ad`mi*ra"tion\, n. [F., fr. L. admiratio. See
   {Admire}.]
   1. Wonder; astonishment. [Obs.]

            Season your admiration for a while.   --Shak.

   2. Wonder mingled with approbation or delight; an emotion
      excited by a person or thing possessed of wonderful or
      high excellence; as, admiration of a beautiful woman, of a
      landscape, of virtue.

   3. Cause of admiration; something to excite wonder, or
      pleased surprise; a prodigy.

            Now, good Lafeu, bring in the admiration. --Shak.

   {Note of admiration}, the mark (!), called also {exclamation
      point}.

   Syn: Wonder; approval; appreciation; adoration; reverence;
        worship.

Exclamation \Ex`cla*ma"tion\, n. [L. exclamatio: cf. F.
   exclamation.]
   1. A loud calling or crying out; outcry; loud or emphatic
      utterance; vehement vociferation; clamor; that which is
      cried out, as an expression of feeling; sudden expression
      of sound or words indicative of emotion, as in surprise,
      pain, grief, joy, anger, etc.

            Exclamations against abuses in the church. --Hooker.

            Thus will I drown your exclamations.  --Shak.

            A festive exclamation not unsuited to the occasion.
                                                  --Trench.

   2. (Rhet.) A word expressing outcry; an interjection; a word
      expressing passion, as wonder, fear, or grief.

   3. (Print.) A mark or sign by which outcry or emphatic
      utterance is marked; thus [!]; -- called also {exclamation
      point}.

Source : WordNet®

exclamation point
     n : a punctuation mark (!) used after an exclamation [syn: {exclamation
         mark}]

Source : Free On-Line Dictionary of Computing

exclamation point
     
        {exclamation mark}