Source : Webster's Revised Unabridged Dictionary (1913)

Hagiologist \Ha`gi*ol"o*gist\, n.
   One who treats of the sacred writings; a writer of the lives
   of the saints; a hagiographer. --Tylor.

         Hagiologists have related it without scruple.
                                                  --Southey.

Source : WordNet®

hagiologist
     n : the author of a worshipful or idealizing biography [syn: {hagiographer},
          {hagiographist}]