The Oxford Thesaurus An A-Z Dictionary of Synonyms - sageadj.

1) wise, sagacious, prudent, sensible, perspicacious, profound, intelligent, discerning, reasonable, logical, judicious, common-sense, commonsensical: The old woman gave her some sage advice about men, which she promptly forgot. --n. 2) wise man, savant, expert, elder, doyen or doyenne, guru, Nestor, pundit, Solomon, philosopher, oracle, authority: The sage whose counsel you seek lives deep in the forest.