il·lu·mi·nate 
/ɪˈlu:məˌneɪt/ verb
il·lu·mi·nates; il·lu·mi·nat·ed; il·lu·mi·nat·ing /ɪˈlu:məˌneɪt/ verb [+ obj] 1 : to supply (something) with light : to shine light on (something)
▪ Candles illuminate [=light] the church. ▪ the part of the moon illuminated by the sun 2 : to make (something) clear and easier to understand
▪ A university study has illuminated the problem.
▪ Candles illuminate [=light] the church. ▪ the part of the moon illuminated by the sun
▪ A university study has illuminated the problem.
— illuminating adjective [more illuminating; most illuminating]
▪ The lecture was very illuminating. ▪ an illuminating discussion
▪ The lecture was very illuminating. ▪ an illuminating discussion
