— illustriously , adv. — illustriousness , n.
/i lus"tree euhs/ , adj.
1. highly distinguished; renowned; famous: an illustrious leader.
2. glorious, as deeds or works: many illustrious achievements.
3. Obs. luminous; bright.
[ 1560-70; illustri ( s ) bright, clear, famous (equiv. to illustr ( are ) to brighten (see IL- 1 , LUSTER 1 ) + -is adj. suffix) + -OUS ]
Syn. 1. celebrated, eminent, famed.