Lexical Definition

‎συμφωνέω‎ symphōnéō (soom-fo-neh'-o) to agree with G:V
from ‎σύμφωνος‎

agree (together, with).

Usage: 8 forms in 9 verses
Form Translated As     In Verse(s)
συνεφώνησεν joined in harmony LXX.Isa.7.2
συνεφώνησαν joined in harmony LXX.Gen.14.3 • LXX.2Kgs.12.8
συνεφώνησάσ you did agree with Matt.20.13
συνεφωνήθη it was agreed together Acts.5.9
συμφωνοῦσιν agree Acts.15.15
συμφωνήσωσιν shall agree Matt.18.19
συμφωνήσει it will match Luke.5.36
συμφωνήσασ Having agreed Matt.20.2

Abbott-Smith

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.†

Abbott-Smith References

Book Refs
Genesis 14:3
2 Samuel 12:8
Isaiah 7:2
Matthew 18:19 · 20:2 · 20:13
Luke 5:36
Acts 5:9 · 15:15

Liddell-Scott-Jones

συμφωνέω-έω,

sound together, be in harmony or unison (compare συμφωνέωία), ἐκ πασῶν μία ἁρμονία συμφωνέωεῖ [Refs 5th c.BC+]; of reed-tongues, to be of the same quality, [Refs 4th c.BC+]; κιθαρισταὶ σ. [συμφωνέωία 111:">Refs 3rd c.BC+] —passive, τὰ συμφωνέωούμενα consonants (literal things which are sounded with vowels), [Refs 1st c.BC+]

__II metaphorically, harmonize with, ποῖα ποίοις σ. τῶν γενῶν [Refs 5th c.BC+]; συμφωνέωοῦντα τοῖς ἔργοις in harmony with practical experience, [συμφωνέωοῦσι.. φροντίδες μακαριότητι 4th-3rd c.BC: Epicurus Philosophus “Epistulae” 1p.28U.; also ταῦτα πρὸς ἄλληλα σ. συμφωνέωίαν τὴν ἀρίστην 4th c.BC: Aristoteles Philosophus “Politica” 1334b10 ">Refs 5th c.BC+]; hold or express the same opinions, ταῦτα συμφωνέωοῦσι πάντες [Refs 5th c.BC+]; περί τινος or τινων, [Refs 1st c.BC+]:—middle, [Refs 4th c.BC+]:—passive, to be agreed to, παρὰ πᾶσι [Refs 1st c.BC+], compare 15.107: with infinitive, ἡ ἔφοδος σ. γενέσθαι [Refs 1st c.BC+]
__II.2 make an agreement or bargain with any one, ἰδίᾳ σ. πρὸς αὐτούς [συμφωνέωήσας Ἡρακλείδης μετὰ Θοτέως [prev. work] 330.2 (3rd c.BC)">Refs 3rd c.BC+]; περί τινος [Refs 2nd c.BC+]; σ. τινὶ δηναρίου for a denarius, [NT]:—passive, συνεφωνήθη ὑμῖν πειράσαι [NT]; ὥστε.. [Refs 1st c.BC+]; τὸ συμφωνέωηθέν the agreement, [συμφωνέωηθέντα “IG” 42(1).77.20 (Epid., 2nd c.BC); τὰ εἴκοσι τάλαντα τὰ συμφωνέωηθέντα [prev. work]22.844.9 (3rd c.BC)">Refs 3rd c.BC+]; ἀπέχω τὴν συμπεφωνημένην αὐτοῦ τιμήν [Refs 2nd c.AD+]
__II.3 unite for a bad purpose, conspire, τοῖς πένησι ἐπὶ τοὺς μέσους [Refs 4th c.BC+]
__III agree in saying, ὡς πάντα καλῶς κεῖται [Refs 5th c.BC+]
__IV to be satisfactory, συμφωνέωεῖ μοι πάντα, ὡς πρόκειται [Refs 4th c.AD+]
__IV.2 of remedies, to be suitable, [Refs 2nd c.AD+]

LSJ Scripture Refs: Matt.20.13 ☩ Acts.5.9