The Collaborative International Dictionary of English v.0.48:

Eulogistic \Eu`lo*gis"tic\, Eulogistical \Eu`lo*gis"tic*al\, a.
   Of or pertaining to eulogy; characterized by eulogy;
   bestowing praise; panegyrical; commendatory; laudatory; as,
   eulogistic speech or discourse. -- Eu"lo*gis"tic*al*ly,
   adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

eulogistic
    adj 1: formally expressing praise [syn: encomiastic,
           eulogistic, panegyric, panegyrical]