Veritable

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late Middle English: from Old French, from verite ‘truth’ (see verity). Early senses included ‘true’ and ‘speaking the truth’, later ‘genuine, actual’.

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From Middle French veritable, from Old French veritable, from Latin veritabilis.

etymonline

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veritable (adj.)

early 15c., from Anglo-French and Old French veritable "true, real, truthful, valid (in law)," from verité (see verity) + -able. Probably lost mid-17c. and reborrowed or revived after 1830. Related: Veritably.