American spelling; to state something as absolute truth without allowing for disagreement, doubt, or evidence; to lay down as dogma.
From dogma (Greek 'opinion, tenet') + -ize (American verb-forming suffix). Became common in English around the 1600s alongside increased philosophical and theological debate.
When someone dogmatizes, they're essentially committing the logical fallacy of 'assertion without argument'—and ironically, calling this out requires the opposite approach!
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