Synonyms for Instructional:

adj.

educational (adjective)
informative, enlightening, guiding, Illuminative, educational, educative.
informative (adjective)
instructive.
teaching (adjective)
didactic.

n.

edifying, applied, instructive, elementary, graduate, informative, curricular, advanced, formal, educative, academic, diachronic, didactic, Illuminative, teach.

Other synonyms:

Illuminative, educative. informative, instructive, edifying. Other relevant words:
edifying, applied, instructive, elementary, graduate, informative, curricular, advanced, formal, educative, academic, diachronic, didactic, Illuminative, teach.