Adj. | 1. | enlightening - tending to increase knowledge or dissipate ignorance; "an enlightening glimpse of government in action"; "an illuminating lecture" unenlightening, unilluminating - failing to inform or clarify; "an unenlightening comment" |
2. | enlightening - enlightening or uplifting so as to encourage intellectual or moral improvement; "the paintings in the church served an edifying purpose even for those who could not read" |