illuminating

(verb) make lighter or brighter. Synonyms: light, illume, illumine, light up, illuminate. Example: "This lamp lightens the room a bit."

(verb) make free from confusion or ambiguity; make clear. Synonyms: clear, clear up, shed light on, crystallize, crystallise, crystalize, crystalise, straighten out, sort out, enlighten, illuminate, elucidate. Examples: "Could you clarify these remarks?." "Clear up the question of who is at fault."

(verb) add embellishments and paintings to (medieval manuscripts). Synonyms: illuminate.

(adj) tending to increase knowledge or dissipate ignorance. Synonyms: enlightening (vs. unenlightening), informative. Examples: "An enlightening glimpse of government in action." "An illuminating lecture."