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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English auctorisen, from Old French auctorisier, from Medieval Latin auctōrizāre, from Latin auctor. See author about the orthography with ⟨h⟩. Doublet of octroy.
authorise, pass, clear
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Classic usage
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