Source : Webster's Revised Unabridged Dictionary (1913)

Apologize \A*pol"o*gize\, v. i. [imp. & p. p. {Apologized}; p.
   pr. & vb. n. {Apologizing}.] [Cf. F. apologiser.]
   1. To make an apology or defense. --Dr. H. More.

   2. To make an apology or excuse; to make acknowledgment of
      some fault or offense, with expression of regret for it,
      by way of amends; -- with for; as, my correspondent
      apologized for not answering my letter.

            To apologize for his insolent language. --Froude.

Apologize \A*pol"o*gize\, v. t.
   To defend. [Obs.]

         The Christians . . . were apologized by Plinie. --Dr.
                                                  G. Benson.

Source : WordNet®

apologize
     v 1: acknowledge faults or shortcomings or failing; "I apologized
          for being late"; "He apologized for the many typoes"
          [syn: {apologise}]
     2: defend, explain, clear away, or make excuses for by
        reasoning; "rationalize the child's seemingly crazy
        behavior"; "he rationalized his lack of success" [syn: {apologise},
         {excuse}, {justify}, {rationalize}, {rationalise}]