Webster's English Dictionary

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illustrious

Cross references:
  1. famous                
 
il.lus.tri.ous \il-'*s-tre--*s\ aj [L illustris, prob. back-formation fr. 
   illustrare] 1: notably or brilliantly outstanding because of dignity or 
   achievements o r actions : EMINENT obs  2a: shining brightly with light  
   2b: clearly evident  - il.lus.tri.ous.ly av