enlightening vs illuminating

enlightening and illuminating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
enlightening	No	Yes	No	No
illuminating	No	Yes	No	No

As adjectives, enlightening and illuminating are synonyms defined as:

enlightening and illuminating: tending to increase knowledge or dissipate ignorance

Other synonyms of enlightening include informative.

enlightening (adjective)	illuminating (adjective)
tending to increase knowledge or dissipate ignorance	tending to increase knowledge or dissipate ignorance
enlightening or uplifting so as to encourage intellectual or moral improvement