The Collaborative International Dictionary of English v.0.48:

Pardon \Par"don\, v. t. [imp. & p. p. Pardoned (p[aum]r"d'nd);
   p. pr. & vb. n. Pardoning.] [Either fr. pardon, n., or from
   F. pardonner, LL. perdonare; L. per through, thoroughly,
   perfectly + donare to give, to present. See Par-, and
   Donation.]
   1. To absolve from the consequences of a fault or the
      punishment of crime; to free from penalty; -- applied to
      the offender.
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            In this thing the Lord pardon thy servant. --2 Kings
                                                  v. 18.
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            I pray you, pardon me; pray heartily, pardon me.
                                                  --Shak.
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   2. To remit the penalty of; to suffer to pass without
      punishment; to forgive; -- applied to offenses.
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            I pray thee, pardon my sin.           --1 Sam. xv.
                                                  25.
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            Apollo, pardon
            My great profaneness 'gainst thine oracle! --Shak.
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   3. To refrain from exacting as a penalty.
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            I pardon thee thy life before thou ask it. --Shak.
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   4. To give leave (of departure) to. [Obs.]
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            Even now about it! I will pardon you. --Shak.
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   Pardon me, forgive me; excuse me; -- a phrase used also to
      express courteous denial or contradiction, or to request
      forgiveness for a mild transgression, such as bumping a
      person while passing.
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   Syn: To forgive; absolve; excuse; overlook; remit; acquit.
        See Excuse.
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Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "pardoned":
   absolved, acquitted, blotted, canceled, condoned, disregarded,
   exculpated, excused, exonerated, forgiven, forgotten, indulged,
   overlooked, redeemed, remitted, reprieved, shriven, spared,
   unavenged, uncondemned, unresented, unrevenged, wiped away