The Collaborative International Dictionary of English v.0.48:

Pedagogic \Ped`a*gog"ic\, Pedagogical \Ped`a*gog"ic*al\, a. [Gr.
   paidagwgiko`s: cf. F. p['e]dagogique. See Pedagogue.]
   Of or pertaining to a pedagogue; suited to, or characteristic
   of, a pedagogue.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pedagogical
    adj 1: of or relating to pedagogy; "pedagogical significance"
           [syn: pedagogical, pedagogic]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "pedagogical":
   academic, cross-disciplinary, donnish, graduate,
   graduate-professional, interdisciplinary, pedagogic, pedantic,
   postgraduate, preceptorial, professional, professorial,
   professorlike, scholarly, scholastic, schoolish, schoolmastering,
   schoolmasterish, schoolmasterlike, schoolmasterly, schoolmistressy,
   schoolteacherish, schoolteachery, teacherish, teacherlike,
   teachery, teachy, tutorial