(1):

(v. t.) To clear one's self.

(2):

(v. t.) 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.

(3):

(v. t.) 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.

(4):

(v. t.) To discharge, as a claim or debt; to clear off; to pay off; to requite.

(5):

(p. p.) Acquitted; set free; rid of.

(6):

(v. t.) To pay for; to atone for.