The phrase "brought before the bar" refers to the act of being summoned to appear before a court of law. There are several synonyms that can be used to convey the same meaning, depending on the context. For instance, one can say that a person has been summoned, called upon, or brought to justice. Other synonyms include arraigned, indicted, and charged. These synonyms often imply a serious legal situation, in which a person is facing accusations or charges that may result in penalties or sanctions. The choice of synonym may depend on the specific legal system or type of court involved, as well as the severity of the alleged offense.