Effulgent

ɪˈfʌl.dʒənt

adjective

shining brightly; radiant; full of splendor

The word 'effulgent' comes from the Latin word 'effulgēre', which means 'to shine brightly'. It is often used to describe something that shines brilliantly or with great radiance, like a dazzling sunrise or a luminous gem.

I mean I can understand if some things are lawful unto Him, but—" Father Mulligan was more than merely flattered by the emotion he aroused in the attractive young girl who stood before him with a trembling, kissable mouth and blazing, coal-black eyes. For he was young too, and perhaps not wholly unaware that the solemn explanations with which he dispelled her bogus biblical doubts were completely at odds with the thrilling promise he held out in his effulgent emerald eyes. Every Thursday, undaunted by the merciless midday sun, they would stand there by the well. We'd better catch him before a cold does."

Arundhati Roy

The god of small things

And beneath the effulgent Antarctic skies I have boarded the Argo-Navis, and joined the chase against the starry Cetus far beyond the utmost stretch of Hydrus and the Flying Fish.

Herman Melville

Moby Dick

With a fierce, guttural, scornful, disgusted oath, she strode across the room and threw open the three tall casement windows, letting inside an effulgent flood of sunlight and crisp fresh air that washed through the stuffy room like an invigorating tonic.

Heller, Joseph

Catch-22