adjective
Word Origin late 18th century: from Greek epideiktikos (based on deiknunai ‘to show’).
Scrabble Points: 17
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Branch or "eidē" of rhetoric
The epideictic oratory, also called ceremonial oratory, or praise-and-blame rhetoric, is one of the three branches, or "species", of rhetoric as outlined in Aristotle's Rhetoric, to be used to praise or blame during ceremonies. Wikipedia