"Knew score" is an idiomatic expression that means being aware of what is really happening or knowing the true situation. This phrase can be replaced with alternative expressions such as "awareness level," "knowledge factor," "understanding quota," "perception index," or "comprehension level." All of these phrases indicate understanding or having knowledge of something. However, the idiomatic expression "knew score" has a unique context, usually being used to indicate that someone is aware of something important or has a good understanding of a situation. These synonyms can be used interchangeably with "knew score" depending on the context of the situation.