The Collaborative International Dictionary of English v.0.48:

Convict \Con*vict"\ (k[o^]n*v[i^]kt"), v. t. [imp. & p. p.
   Convicted; p. pr. & vb. n. Convicting.]
   1. To prove or find guilty of an offense or crime charged; to
      pronounce guilty, as by legal decision, or by one's
      conscience.
      [1913 Webster]

            He [Baxter] . . . had been convicted by a jury.
                                                  --Macaulay.
      [1913 Webster]

            They which heard it, being convicted by their own
            conscience, went out one by one.      --John viii.
                                                  9.
      [1913 Webster]

   2. To prove or show to be false; to confute; to refute.
      [Obs.] --Sir T. Browne.
      [1913 Webster]

   3. To demonstrate by proof or evidence; to prove.
      [1913 Webster]

            Imagining that these proofs will convict a
            testament, to have that in it which other men can
            nowhere by reading find.              --Hooker.
      [1913 Webster]

   4. To defeat; to doom to destruction. [Obs.]
      [1913 Webster]

            A whole armado of convicted sail.     --Shak.

   Syn: To confute; defect; convince; confound.
        [1913 Webster]