The Collaborative International Dictionary of English v.0.48:

Eulogist \Eu"lo*gist\n.
   One who eulogizes or praises; panegyrist; encomiast.
   --Buckle. Eulogistic

WordNet (r) 3.0 (2006):

eulogist
    n 1: an orator who delivers eulogies or panegyrics [syn:
         eulogist, panegyrist]