συμ-φωνέω, -ῶ,
[in LXX: Ge 14:3 (חבר) II Ki 12:8 (9) (אוֺת ni.), Is 7:2 (נוּחַ), IV Mac 14:6 *;]
prop., to agree in sound, be in harmony (Plat., Arist.). Metaph.,
(a) to agree with, agree together: Lk 5:36; c. dat. rei, Ac 15:15; seq. περί, Mt 18:19; pass., c. dat. pers., συνεφωνήθη ὑμῖν, Ac 5:9;
(b) to agree as to a price (Polyb., Diod.): c. dat. pers., gen. pret., Mt 20:13; seq. μετά... ἐκ, ib. 2.†