συμ-φωνέω, -ῶ,

[in LXX: Gen.14:3 (H2266) 2Ki.12:8 (9) (H225 ni.), Isa.7:2 (H5117), 4Ma.14:6 * ;]

prop. to agree in sound, be in harmony (Plat. Arist.). Metaphorical,

__(a) to agree with, agree together: Luk.5:36; with dative of thing(s), Act.15:15; before περί, Mat.18:19; pass. with dative of person(s), συνεφωνήθη ὑμῖν, Act.5:9;

__(b) to agree as to a price (Polyb. Diod.): with dative of person(s), genitive pret. Mat.20:13; before μετά . . . ἐκ, Mat.20:2.†

(AS)

to agree in sound, be in harmony; to agree with, agree together; to agree