"Bring into question" is a phrase that means to doubt or challenge something, but there are various other synonyms available to express the same meaning. One can use terms like "raise doubts about," "cast doubt on," "call into question," "dispute," "challenge," or "question the validity of." These synonyms are useful when one needs to express the idea of questioning or doubting assumptions, ideas, or theories, and they convey a sense of skepticism or skepticism about something. These phrases can be used in academic or professional settings, where critical thinking is essential to evaluate evidence and arguments. Choosing the right synonym depends on the context and the intended tone of the discussion.