en·light·en 
/ɪnˈlaɪtn̩/ verb
en·light·ens; en·light·ened; en·light·en·ing /ɪnˈlaɪtn̩/ verb [+ obj] : to give knowledge or understanding to (someone) : to explain something to (someone)
▪ I don't understand what's going on; can someone please enlighten me?
▪ I don't understand what's going on; can someone please enlighten me?
— enlightening adjective [more enlightening; most enlightening]
▪ We found the talk very enlightening. [=informative]
▪ We found the talk very enlightening. [=informative]
