illumine
🇺🇸
/ɪˈluːmɪn/
🇬🇧
/ɪˈluːmɪn/
to provide light to something
The streetlights illumined the path as we walked.
to explain something clearly
The lecture helped to illumine the complex topic.
to make someone's face look bright and happy
Her face was illumined by a big smile.