The Collaborative International Dictionary of English v.0.48:

Rhetorical \Rhe*tor"ic*al\, a. [L. rhetoricus, Gr. ????. See
   Rhetoric.]
   Of or pertaining to rhetoric; according to, or exhibiting,
   rhetoric; oratorical; as, the rhetorical art; a rhetorical
   treatise; a rhetorical flourish.
   [1913 Webster]

         They permit him to leave their poetical taste
         ungratified, provided that he gratifies their
         rhetorical sense.                        --M. Arnold.
   [1913 Webster] -- Rhe*tor"ic*al*ly, adv. --
   Rhe*tor"ic*al*ness, n.
   [1913 Webster]