A person who makes an exception or who takes exception to something; one who objects or disagrees.
From Latin 'exceptans,' present participle of 'exceptare,' meaning one who exceeds or objects. Related to 'exception' through the same Latin root 'excipere.'
In medieval logic and theology, an 'exceptant' was a specific legal role—someone whose job was literally to point out where rules didn't apply, making them professional devil's advocates.
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