Il*lus"tri*ous (?), a. [L. illustris, prob. for illuxtris; fr. il- in + the root of lucidus bright: cf. F. illustre. See Lucid.]
1.
Possessing luster or brightness; brilliant; luminous; splendid.
Quench the light; thine eyes are guides illustrious.
Beau. & Fl.
2.
Characterized by greatness, nobleness, etc.; eminent; conspicuous; distinguished.
Illustrious earls, renowened everywhere.
Drayton.
3.
Conferring luster or honor; renowned; as, illustrious deeds or titles.
Syn. -- Distinguished; famous; remarkable; brilliant; conspicuous; noted; celebrated; signal; renowened; eminent; exalted; noble; glorious. See Distinguished, Famous.
© Webster 1913.