Synonyms of enlightening

2 Syllables
learned, teachy
3 Syllables
tutorial, cultural, scholarly, scholastic, broadening, edifying, enriching, refining, uplifting, teacherish, teacherly, didactic
4 Syllables
diagrammatic, hermeneutic, civilizing, instructional, hortative, humanizing, instructive, preceptive, schoolmasterist, hermeneuti
5 Syllables
informative, declarative, expositional, informational, explanatory, developmental, educative, revelatory, exhortative, illuminating, interpretive
6 Syllables
elucidatory, interpretative, illuminative, communicative