engage to do something

. to announce, proclaim ; to promise . Mid., also freq. in both these senses; to profess : c. dat. pers., ; c. acc rei, , ; c. dat pers. et acc rei, , ; , ; c. inf., , ; seq. , ; ptcp., ; to promise He 6:13 Ro 4:21 Tit 1:2 Ja 1:12 2:5 II Pe 2:19 I Jo 2:25 Mk 14:11 Ac 7:5 He 12:26 He 10:23 11:11 ἐπαγγελίαν λέγων : , ; , . Pass., (cf. ; and v. Cremer, 26).† to profess θεοσέβειαν γνῶσιν προ-επαγγέλλω I Ti 2:10 I Ti 6:21 Ga 3:19

to announce upon (reflexively), i.e. (by implication) to engage to do something, to assert something respecting oneself

profess, (make) promise