Authoritative
Authoritative adjective - Being the most accurate and apparently thorough.
Illustrious and authoritative are semantically related. In some cases you can use "Illustrious" instead an adjective "Authoritative".
Nearby Words: authority, authoritarian
Illustrious
Illustrious adjective - Standing above others in rank, importance, or achievement.
Authoritative and illustrious are semantically related. Sometimes you can use "Authoritative" instead an adjective "Illustrious".
Nearby Word: illustration
Mutual synonyms
Cite this Source
Illustrious and Authoritative. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/authoritative/illustrious
Authoritative & Illustrious. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/authoritative/illustrious>.
Illustrious or Authoritative. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/authoritative/illustrious.
Google Ngram Viewer shows how "authoritative" and "illustrious" have occurred on timeline