from the same as 626; a plea ("apology"):
KJV-- answer (forself), clearing ofself, defence.
apologeomai (ap-ol-og-eh'-om-ahee);
middle voice from a compound of 575 and 3056; to give an account (legal plea) of oneself, i.e. exculpate (self):
KJV-- answer (forself), make defence, excuse (self), speak forself.