on·o·mas·tic /ˌɑnəˈmæstɪk/
  (a.)名字的,親自簽名的
  On·o·mas·tic a.  Law Applied to a signature when the body of the instrument is in another's handwriting.
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  onomastic
       adj : of or related to onomastics; "he published a collection of
             his onomastic essays"