D defs.my
Entry 2 senses Webster, 1913

enlightening

· IPA /ˌɛnlˈaɪtənɪŋ/
01 adj. enlightening so as to encourage intellectual or moral improvement.
  1. 1.
    enlightening so as to encourage intellectual or moral improvement.
  2. 2.
    tending to increase knowledge or dissipate ignorance; as, an enlightening glimpse of government in action.
Syn. edifying.