n. 25B6; adjective a wise old man : SAGE, sagacious, intelligent, clever, learned, knowledgeable, enlightened; astute, smart, shrewd, sharp-witted, canny, knowing; sensible, prudent, discerning, judicious, perceptive, insightful, perspicacious; rational, logical, sound, sane; Brit. informal fly; formal sapient.
foolish.
25A0; put someone wise (informal) TELL, inform, notify, apprise, make aware, put in the picture, fill in; warn, alert; informal clue in/up, tip off.
25A0; wise to (informal) AWARE OF, familiar with, acquainted with; formal cognizant of.