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1. To become more shrewd, prudent, or aware (about something); to exhibit more logic or common sense (about something). If you don't wise up soon, these conmen are going to take your company for everything it's worth. He used to really ruffle my feathers, but I wised up to his antics and have started ignoring him completely.
2. To cause someone to become more shrewd, prudent, or aware (about something); to compel or enable someone to exhibit more logic or common sense (about something). In this usage, a noun or pronoun is used between "wise" and "up." We've been trying to wise the president up about the threat that country poses to our national security, but he simply won't listen to reason. Living on my own without a job for four years wised me up to some of the difficulties people in poverty face.
wise someone up (about someone or something)
Inf. to instruct someone about something; to give someone important information. Let me wise you up about the way we do things around here. I will do what I can to wise her up.
wise up (to someone or something)
to (finally) begin to understand someone or something; to realize and accept the facts about someone or something. (Also as a command.) Sally finally wised up to Richard. Come on, Sally! Wise up!
1. To become aware, informed, or sophisticated: After staying with my old job for too long, I wised up and found a job I really enjoyed.
2. To make someone aware, informed, or sophisticated: The expensive medical treatment wised me up to the importance of having extra money in my savings account. If you think you know something about cars, read this book—it will wise you up!