Definitions: (1) obviously brilliant; having a reputation of greatness or renown; (2) conferring luster or honor; of very high dignity

Derivation: Latin, “clear, conspicuous, distinguished”

Synonyms: celebrated, eminent, famous, glorious, noble

Hope, that risky, illustrious thing. It should have gone extinct by now, but we keep it alive. — Lauren DeStefano (1984-) American writer
• He only may be truly said to live and enjoy his being who is engaged in some laudable pursuit, and acquires a name by some illustrious action, or useful art. — Gaius Sallustius Crispus [Sallust] (c. 86–35 BC) Roman historian