epideictic
adjective
designed to display something, esp the skill of the speaker in rhetoricAlso: epidictic (ˌɛpɪˈdɪktɪk)
Word Origin for epideictic
C18: from Greek epideiktikos, from epideiknunai to display, show off, from deiknunai to show
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Examples from the Web for epideictic
Historical Examples of epideictic
There is something p. xivof “hard brilliance” in Praed: he writes for effect, he is epideictic.
London LyricsFrederick Locker