Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class IV. Words Relating to the Intellectual Faculties
Division (I) Formation of Ideas
Section V. Results of Reasoning

500. Sage.

   NOUN:SAGE, wise man; master mind, master spirit of the age; longhead, thinker, philosopher.
  AUTHORITY, oracle, mentor, luminary, shining light, esprit fort [F.], magnus Apollo [L.], Solon, Solomon, Buddha, Confucius, Mentor, Nestor, the Magi; Seven Wise Men of Greece, Seven Sages, Philosophical Pleiad; “second Daniel.”
  savant [F.], pundit (scholar) [See Scholar]; wiseacre [archaic or ironical]; expert [See Proficient]; wizard [See Sorcerer].
   ADJECTIVE:VENERABLE, venerated, reverenced, revered, honored, looked up to; authoritative, wise, oracular; erudite (knowledge) [See Knowledge]; emeritus [L.].
  1. Barbâ tenus sapientes.
  2. O wise young judge, how I do honor thee.—Merchant of Venice