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English definition of “enlightening”

enlightening

adjective     /ɪnˈlaɪ.tən.ɪŋ/ US  /-t̬ən-/
giving you more information and understanding of something: That was a very enlightening programme. The instruction manual that came with my new computer wasn't very enlightening about how to operate it.Useful or advantageous
(Definition of enlightening adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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