When it comes to questioning the validity or credibility of something, there are a number of ways to express doubt or uncertainty. Synonyms for "call/bring/throw something into question" include "cast doubt on," "raise questions about," "challenge," "doubt," "dispute," "discredit," "invalidate," and "undermine." Each of these phrases conveys a sense of skepticism and invites further investigation or evaluation. By using these synonyms, writers can add nuance and complexity to their writing, and prompt readers to think more critically about the ideas and information being presented.