From epi and the base of aggelos; to announce upon (reflexively), i.e. (by implication) to engage to do something, to assert something respecting oneself -- profess, (make) promise.
see GREEK epi
see GREEK aggelos
1. to announce.
2. to promise: passive ἐπήγγελται, to whom the promise hath been made, Galatians 3:19. Middle to announce concerning oneself; i. e.:
1. to announce that one is about to do or to furnish something, i. e. to promise (of one's own accord), to engage (voluntarily): ὁ ἐπαγγειλάμενος, Hebrews 10:23; Hebrews 11:11; ἐπήγγελται, he hath promised, followed by λέγων, Hebrews 12:26; τίνι, to give a promise to one, Hebrews 6:13; τί, Romans 4:21; Titus 1:2; τίνι τί, James 1:12; James 2:5; 2 Peter 2:19; ἐπαγγελίαν, to give a promise, 1 John 2:25 (Esther 4:7; (cf. Winers Grammar, 225 (211); Buttmann, 148 (129))); followed by the infinitive (cf. Winer's Grammar, § 44, 7 c.): Mark 14:11; Acts 7:5.
2. to profess; τί, e. g. an art, to profess oneself skilled in it (τήν ἀρετήν, Xenophon, mem. 1, 2, 7; τήν στρατιάν, Hell. 3, 4, 3; σοφίαν, (Diogenes Laërtius prooem. 12; σωφροσύνην, Clement of Alexandria, paedag. 3, 4, p. 299, 27 edition Klotz; (cf. Liddell and Scott, under the word, 5)): θεοσέβειαν, 1 Timothy 2:10; γνῶσιν,