The Collaborative International Dictionary of English v.0.48:
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.
Syn: apologize, excuse, justify, rationalize
To apologize for his insolent language. --Froude.