Lexicon :: Strong's G626 - apologeomai

ἀπολογέομαι, -οῦμαι; imperfect ἀπελογούμην (Acts 26:1); 1 aorist ἀπελογησάμην; 1 aorist passive infinitive ἀπολογηθῆναι, in a reflexive sense (Luke 21:14); a deponent middle verb (from λόγος), properly, to speak so as to absolve (ἀπό) oneself, talk oneself off of a charge etc.;
1. to defend oneself, make one's defense: absolutely, Luke 21:14; Acts 26:1; followed by ὅτι, Acts 25:8; τί, to bring forward something in defense of oneself, Luke 12:11; Acts 26:24 (often so in Greek writings also); τὰ περὶ ἐμαυτοῦ ἀπ. either I bring forward what contributes to my defense [?], or I plead my own cause [R. V. make my defense], Acts 24:10; περί with the genitive of the thing and ἐπί with the genitive of person, concerning a thing before one's tribunal, Acts 26:2; with the dative of the person whom by my defence I strive to convince that I am innocent or upright, to defend or justify myself in one's eyes [A. V. unto], Acts 19:33; 2 Corinthians 12:19 (Plato, Prot., p. 359 a.; often in Lucian, Plutarch; [cf. Buttmann, 172 (149)]).
2. to defend a person or a thing (so not infrequent in secular authors): Romans 2:15 (where according to the context the deeds of men must be understood as defended); τὰ περὶ ἐμοῦ, Acts 26:2 (but see under 1).

BLB Scripture Index of Thayer's