Encomium

A speech or piece of writing that praises someone or something highly.

From Latin encōmium (“praise, eulogy”), from Ancient Greek ἐγκώμιον (enkṓmion, “laudatory ode, praise”), from ἐγκώμιος (enkṓmios, “of or pertaining to the victor”), from κῶμος (kômos, “festival, revel, ode”).

eulogy, paean, panegyric, pean