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4 comments
  • If they successfully debunked it you could say they refuted it.

    People sometimes use the same word to mean simply arguing against something (whether successfully or not) but I think the correct word in that case would be repudiate.

    Also, to be picky, if something is a fact, it can't really be debunked. If it is genuinely debunked then it was never really a fact, even if people previously believed that it was.