enlightening (
http://definr.com/enlightening)
adj 1: tending to increase knowledge or dissipate ignorance; "an
enlightening glimpse of government in action" [syn:
informative,
instructive] [ant:
unenlightening]
2: 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" [syn:
edifying] [ant:
unedifying]
3: highly enlightening; making understandable or clarifying;
"an illuminating lecture"; "illuminating pieces of
information" [syn:
illuminating] [ant:
unilluminating]