English

Adjective

authentical ‎(comparative more authentical, superlative most authentical)

1. (archaic) Authentic.
   • 1596, Edmund Spenser, The Faerie Queene, IV.12:

     He graunted it: and streight his warrant made, / Under the Sea-gods seale autenticall […].

   • 1603, John Florio, translating Michel de Montaigne, Essayes, London: Edward Blount, OCLC 946730821, II.33:

     The curious and exact care he had of his body, is an authenticall witnesse of it, forsomuch as he used the most lascivious meanes that then were in use […].

References

• authentical in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913