perorate

[per-uh-reyt] /ˈpɛr əˌreɪt/
verb (used without object), perorated, perorating.
1.
to speak at length; make a long, usually grandiloquent speech.
2.
to bring a speech to a close with a formal conclusion.
Origin
1595-1605; < Latin perōrātus past participle of perōrāre. See per-, orate
Related forms
perorator, noun
British Dictionary definitions for perorate

perorate

/ˈpɛrəˌreɪt/
verb (intransitive)
1.
to speak at length, esp in a formal manner
2.
to conclude a speech or sum up, esp with a formal recapitulation
Word Origin and History for perorate
v.

c.1600, back-formation from peroration, or else from Latin peroratus, past participle of perorare. Related: Perorated; perorating.