Synonyms for Panegyric (same or very similar meaning)
WordNet sense 1 (a formal expression of praise):
encomium, eulogy, paean, peanWordNet sense 2 (formally expressing praise):
eulogistic, encomiastic, panegyricalWordNet sense 3 (conveying or resembling a compliment):
complimentaryFrom the ODE community, based on WordNetadd/edit