a profoundly wise person; a person famed for wisdom.

someone venerated for the possession of wisdom, judgment, and experience.

wise, judicious, or prudent

sage advice.

adjective

astute , aware , careful , clever , contemplative , cunning , discerning , educated , enlightened , experienced , foresighted , informed , insightful , intelligent , intuitive , judicious , knowing , knowledgeable , learned , perceptive , reflective , sagacious , sapient , scholarly , sensible , sharp , shrewd , smart , sound , thoughtful , understanding , balanced , commonsensible , commonsensical , levelheaded , prudent , rational , reasonable , well-founded , well-grounded , wise , acuminous , intellectual , perspicacious , profound

noun

guide , guru , intellect , intellectual , learned person , mahatma , master , mentor , philosopher , pundit , savant , teacher , thinker , wise man/woman , scholar , discerning , herb , judicious , learned , mint , nestor , oracle , perceptive , profound , prudent , salvia , sapient , seasoning , seer , sensible , shrewd , solemn , solomon , sound , spice , wise