The Collaborative International Dictionary of English v.0.48:

Autograph \Au"to*graph\, n. [F. autographe, fr. Gr. ?
   autographic; ? self + ? to write.]
   That which is written with one's own hand; an original
   manuscript; a person's own signature or handwriting.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Autograph \Au"to*graph\, a.
   In one's own handwriting; as, an autograph letter; an
   autograph will.
   [1913 Webster]

WordNet (r) 3.0 (2006):

autograph
    n 1: something written by one's own hand
    2: a person's own signature [syn: autograph, John Hancock]
    v 1: mark with one's signature; "The author autographed his
         book" [syn: autograph, inscribe]

Moby Thesaurus II by Grady Ward, 1.0:

80 Moby Thesaurus words for "autograph":
   John Hancock, X, article, brainchild, christcross, cipher,
   composition, computer printout, copy, countermark, countersign,
   countersignature, counterstamp, cross, device, document, draft,
   edited version, endorsement, engrossment, essay, fair copy,
   fiction, final draft, finished version, first draft, first edition,
   flimsy, hand, holograph, initials, ink, letter, literae scriptae,
   literary artefact, literary production, literature, lucubration,
   manuscript, mark, mark of signature, matter, monogram, nonfiction,
   opus, original, paper, parchment, penscript, piece,
   piece of writing, play, poem, printed matter, printout, production,
   reading matter, recension, screed, scrip, script, scrive, scroll,
   seal, second draft, sigil, sign manual, signature, signet,
   subscribe, subscription, the written word, transcript,
   transcription, typescript, version, visa, vise, work, writing