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

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "perorate":
   abort, cease, chatter, close, conclude, debate, declaim, demagogue,
   determine, drag out, draw out, elocute, end, extend, fill out,
   finish, finish up, harangue, hold forth, mouth, never finish,
   orate, out-herod Herod, pad, protract, rabble-rouse, rant, rave,
   read, recite, resolve, rodomontade, run out, scrap, scratch,
   soapbox, speak at length, spiel, spin out, spout, stop,
   stretch out, string out, terminate, tub-thump, wind up