accurate in representation of the facts; trustworthy; reliable
an authentic account
3.
(of a deed or other document) duly executed, any necessary legal formalities having been complied with
4. music
a.
using period instruments and historically researched scores and playing techniquesin an attempt to perform a piece as it would have been played at the time it was written
b.
(in combination)
an authentic-instrument performance
5. music
a.
(of a mode as used in Gregorian chant) commencing on the final and ending an octave higher
b.
(of a cadence) progressing from a dominant to a tonic chord
Compare plagal
Derived forms
authentically (auˈthentically)
adverb
authenticity (ˌɔːθɛnˈtɪsɪtɪ)
noun
Word origin
C14: from Late Latin authenticus coming from the author, from Greek authentikos, from authentēs one who acts independently, from auto- + hentēs a doer
authentical in American English
(ɔˈθentɪkəl)
adjective
archaic
authentic
Word origin
[1525–35; authentic + -al1]This word is first recorded in the period 1525–35. Other words that entered Englishat around the same time include: dominant, evangelical, folio, inflection, society