The Collaborative International Dictionary of English v.0.48:
Perorate \Per"o*rate\, v. i. [See Peroration.] To make a peroration; to harangue. [Colloq.] [1913 Webster]WordNet (r) 3.0 (2006):
perorate v 1: conclude a speech with a formal recapitulation 2: deliver an oration in grandiloquent style