The term 'get wise' is often used to refer to the process of gaining knowledge and understanding. The crossword solutions for this term are LEARN (5 letters), CATCHONTO (9 letters), SMARTENUP (9 letters), and TAKEAHINT (9 letters). Each of these solutions suggests a different way of becoming wiser, such as learning new information, catching onto trends, smartening up one's behavior, and taking hints from others.