The Collaborative International Dictionary
Brilliantness
Brilliantness \Bril"liant*ness\, n. Brilliancy; splendor; glitter.
Wiktionary
brilliantness
n. The state or quality of being brilliant.
Usage examples of "brilliantness".
He had a beard, and a staff of nurses and other female acolytes who were all permanently aflutter over his brilliantness and followed him around steering him away from large obstacles and reminding him to eat lunch.