Source : Webster's Revised Unabridged Dictionary (1913)

Publicist \Pub"li*cist\, n. [Cf. F. publiciste.]
   A writer on the laws of nature and nations; one who is versed
   in the science of public right, the principles of government,
   etc.

         The Whig leaders, however, were much more desirous to
         get rid of Episcopacy than to prove themselves
         consummate publicists and logicians.     --Macaulay.

Source : WordNet®

publicist
     n : someone who publicizes [syn: {publicizer}, {publiciser}]