Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.make an agreement, “ἀποστήσεσθαι” X.Ages.3.5; agree, concede, c. acc. et inf., Luc.Nigr.26:—Pass., to be agreed on, mostly in pf., “διωμολογημένον ἐμοί τε καὶ σοί” Pl.Euthd.282c, cf. BGU350.17 (ii A. D.), etc.; “ἡ Ἀσία διωμολόγηται παρ᾽ ἡμων βασιλέως εἶναι” Isoc.4.137; also “τὰ διομολογούμενα” Plb.31.19.1: aor., δεῖ διομολογηθῆναι ὅτι . . Pl.R.456c.

II. more freq. in Med., aor. -ωμολογησάμην, agree mutually, agree upon certain points, take them as granted, concede, grant, δ. τὴν δικαιοσύνην ἀρετὴν εἶναι ib.350d; τι ib.507a, al.; δ. τοὺς τόκους agree on the interest to be paid, D.56.5; “δ. περί τινος” Pl.Tht. 169e, Is.3.39; ἅπαντα διωμολογημένος πρὸς τὸν πατέρα having agreed with my father to do everything, D.28.14: c inf. pres., Is.3.28, fut., ibid., aor., 8.23; folld. by a relat. Conj., δ. πότερον . . Pl.R.394d; δ. εἰ . . Id.Grg.500e; “τί ποτ᾽ ἔστιν” Id.Sph.260a.