Source : Webster's Revised Unabridged Dictionary (1913)

Achievement \A*chieve"ment\ (-ment), n. [Cf. F. ach[`e]vement,
   E. {Hatchment}.]
   1. The act of achieving or performing; an obtaining by
      exertion; successful performance; accomplishment; as, the
      achievement of his object.

   2. A great or heroic deed; something accomplished by valor,
      boldness, or praiseworthy exertion; a feat.

            [The exploits] of the ancient saints . . . do far
            surpass the most famous achievements of pagan
            heroes.                               --Barrow.

            The highest achievements of the human intellect.
                                                  --Macaulay.

   3. (Her.) An escutcheon or ensign armorial; now generally
      applied to the funeral shield commonly called {hatchment}.
      --Cussans.

Source : WordNet®

achievement
     n : the action of accomplishing something [syn: {accomplishment}]