The Collaborative International Dictionary of English v.0.48:

Statesman \States"man\ (-man), n.; pl. Statesmen (-men).
   1. A man versed in public affairs and in the principles and
      art of government; especially, one eminent for political
      abilities.
      [1913 Webster]

            The minds of some of our statesmen, like the pupil
            of the human eye, contract themselves the more, the
            stronger light there is shed upon them. --Moore.
      [1913 Webster]

   2. One occupied with the affairs of government, and
      influential in shaping its policy.
      [1913 Webster]

   3. A small landholder. [Prov. Eng.] --Halliwell.
      [1913 Webster]

WordNet (r) 3.0 (2006):

statesman
    n 1: a man who is a respected leader in national or
         international affairs [syn: statesman, solon, national
         leader]