σύμφημι
Infl. fut. -φήσω
Infl. aor1 συνέφησα
Infl. aor2 συνέφην
1. "to assent, approve", or "agree fully", Aesch., etc.
2. c. acc. rei, "to concede, agree to, grant", Plat., Xen.; absol., ξύμφημί σοι "I grant" you, Plat.; ξύμφαθι ἢ ἄπειπε "say yes" or no, id=Plat.
3. c. acc. et inf. "to agree" that.., Soph., Plat.
4. c. inf. fut. "to promise", Xen.