Episteme
"Episteme" is a philosophical term derived from the Ancient Greek word ἐπιστήμη "epistēmē", which can refer to knowledge, science or understanding, and which comes from the verb , meaning "to know, to understand, or to be acquainted with".
Epideictic
The term's root has to do with display or show ("deixis"). It is a literary or rhetorical term from the Greek (ἐπιδεικτικός). It is generally pronounced or . Another English form, now less common, is "epidictic" .