say it: en-LAHY-tuh-ning
enlightening is an adjective meaning "tending to increase knowledge or dissipate ignorance". It carries 2 recorded senses.
tending to increase knowledge or dissipate ignorance
“an enlightening glimpse of government in action”
“an illuminating lecture”
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”
Definitions, synonyms and semantic relations for enlightening come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.