Source : Webster's Revised Unabridged Dictionary (1913)

Acquit \Ac*quit"\, p. p.
   Acquitted; set free; rid of. [Archaic] --Shak.

Acquit \Ac*quit"\, v. t. [imp. & p. p. {Acquitted}; p. pr. & vb.
   n. {Acquitting}.] [OE. aquiten, OF. aquiter, F. acquitter; ?
   (L. ad) + OF. quiter, F. quitter, to quit. See {Quit}, and
   cf. {Acquiet}.]
   1. To discharge, as a claim or debt; to clear off; to pay
      off; to requite.

            A responsibility that can never be absolutely
            acquitted.                            --I. Taylor.

   2. To pay for; to atone for. [Obs.] --Shak.

   3. To set free, release or discharge from an obligation,
      duty, liability, burden, or from an accusation or charge;
      -- now followed by of before the charge, formerly by from;
      as, the jury acquitted the prisoner; we acquit a man of
      evil intentions.

   4. Reflexively:
      (a) To clear one's self. --Shak.
      (b) To bear or conduct one's self; to perform one's part;
          as, the soldier acquitted himself well in battle; the
          orator acquitted himself very poorly.

   Syn: To absolve; clear; exonerate; exonerate; exculpate;
        release; discharge. See {Absolve}.

Source : WordNet®

acquit
     v 1: pronounce not guilty of criminal charges; "The suspect was
          cleared of the murder charges" [syn: {assoil}, {clear},
          {discharge}, {exonerate}, {exculpate}] [ant: {convict}]
     2: behave in a certain manner; "She carried herself well"; "he
        bore himself with dignity"; "They conducted themselves
        well during these difficult times" [syn: {behave}, {bear},
         {deport}, {conduct}, {comport}, {carry}]
     [also: {acquitting}, {acquitted}]