A.join in approving, give one's consent, Demad.17, Plb. 7.1.3, SIG712.46 (Crete, ii B.C., Dor. -ιόντων), PGrenf.2.26.25 (ii B.C.), D.S.4.24, Act.Ap.22.20, etc.; συνευδοκέοντος τοῦ δεῖνα, in forms of sale, GDI1532a4, 1555a5 (Delph.), etc.
2. c. dat. rei, consent or agree to a thing, LXX 1 Ma.1.57, POxy.1644.27 (i B.C.), BGU1731.12 (i B.C.), Ev.Luc.11.48, etc.
3. c. dat. pers., agree or sympathize with . . , Ep.Rom.1.32.
II. Pass., aor. συνευδοκήθην in signf. 1.3, D.S.18.49; so “ὅκκα [τὰ μέρεα] . . συνευδοκῆται ἀλλάλοις” Theag. ap. Stob.3.1.117.