συμφωνεῖν (symphonein)
συμφωνεῖν is an Ancient Greek form of συμφωνέω, meaning “agree, be in harmony”. It is the present active infinitive.
Found 30 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, De Stoicorum repugnantiis 17: … ὶ τῆς τῶν αἰσθητηρίων ὁλοκληρίας καὶ μηδὲν εἶναι ταῦτα φάσκοντα πρὸς ἡμᾶς, ἃ παρὰ τῶν θεῶν αἰτούμεθα, μάλιστα συμφωνεῖν τῷ βίῳ καὶ ταῖς κοιναῖς προλήψεσιν ἀποφαινόμενος. ἀλλʼ ἵνα μηδʼ ἄρνησις τοῦ τἀναντία λέγειν, ἐν τῷ τρίτῳ περὶ …
All forms of συμφωνέω (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.