"Wised up" is an idiomatic expression that means to become informed or knowledgeable about something. There are several synonyms for this expression that can be used interchangeably, such as "educated oneself," "became wise to," "caught on," "smartened up," "got the message," and "figured out." Each of these synonyms carries a connotation of learning through experience, observation, or insight. "Wised up" suggests that someone has become aware of something previously unknown, whereas "educated oneself" implies actively seeking out knowledge. "Caught on" has a sense of sudden realization, while "got the message" is more of a slow and steady understanding. All of these synonyms can be used to convey a similar meaning to "wised up," depending on the context.