Define enlightening. enlightening synonyms, enlightening pronunciation, enlightening translation, English dictionary definition of enlightening. tr.v. en·light·ened , en·light·en·ing , en·light·ens 1. To give spiritual or intellectual insight to: "Enlighten the people generally, and tyranny and, giving information so that you can understand something better. It was a very enlightening interview. A visit to her partner proved most enlightening. Her comments were both enlightening and thought-provoking. The research should be particularly enlightening about the way the virus is transmitted., Definitions of enlightening adjective tending to increase knowledge or dissipate ignorance “an enlightening glimpse of government in action” synonyms: illuminating, informative see more adjective, ENLIGHTENING definition: to give information or understanding to; instruct ; edify | Meaning, pronunciation, translations and examples in American English, Enlightening refers to providing knowledge, understanding, wisdom, or spiritual illumination to someone, often resulting in a clearer or broadened perspective or awareness., Find 106 different ways to say ENLIGHTENING, along with antonyms, related words, and example sentences at Thesaurus.com..