Sage

The crossword question is asking for a word or phrase that means “Sage is WISEONE.” A sage is a person who is wise and knowledgeable, often considered an expert in a particular field or subject matter. “Wise one” is a term used to describe someone who possesses wisdom and good judgment. Therefore, the answer to the crossword question is likely a word or phrase that means wise, knowledgeable, or expert. It could be a synonym of sage or wise one, such as expert, guru, or master. Alternatively, it could be a phrase that describes someone who is wise, such as wise beyond his/her years or a font of knowledge.