British spelling of dogmatizer; a person who states opinions as absolute truths or converts ideas into rigid, unquestionable doctrines.
From dogmatise + -er (agent noun suffix). The -er suffix has been used since Old English to denote 'one who does' an action.
A dogmatiser is essentially someone who mistakes certainty for truth—and history shows that the greatest scientific breakthroughs often came from questioning dogmatisers!
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