The Collaborative International Dictionary of English v.0.48:

Rhetorician \Rhet`o*ri"cian\, a.
   Suitable to a master of rhetoric. "With rhetorician pride."
   --Blackmore.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rhetorician \Rhet`o*ri"cian\, n. [Cf. F. rh['e]toricien.]
   1. One well versed in the rules and principles of rhetoric.
      [1913 Webster]

            The understanding is that by which a man becomes a
            mere logician and a mere rhetorician. --F. W.
                                                  Robertson.
      [1913 Webster]

   2. A teacher of rhetoric.
      [1913 Webster]

            The ancient sophists and rhetoricians, which ever
            had young auditors, lived till they were an hundred
            years old.                            --Bacon.
      [1913 Webster]

   3. An orator; specifically, an artificial orator without
      genuine eloquence; a declaimer. --Macaulay.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rhetorician
    n 1: a person who delivers a speech or oration [syn: orator,
         speechmaker, rhetorician, public speaker,
         speechifier]