Webster's Revised Unabridged Dictionary · 1913

Resplendence

Resplendence (r?*spl?n"dens) , noun

[Latin resplendentia.]

The quality or state of being resplendent; brilliant luster; vivid brightness; splendor.
Son! thou in whom my glory I behold In full resplendence, heir of all my might. — Milton
The resplendency of his own almighty goodness. — Dr. J. Scott

Also: Resplendency