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

A.deposit together or at the same time, “ἐμαυτὴν συγκατέθηκα τάφῳ” Epigr.Gr.367 (Cotiaeum), cf. Poll.8.157:—Med., Is.6.32.

2. Med., ς. τινὶ τὴν αὐτὴν δόξαν περί τινος (where δόξαν represents ψῆφον) put down the same vote or opinion with another, agree entirely with him, Pl.Grg.501c: with dat. only, agree with, assent or conform to, “ταῖς δόξαις” Epicur.Sent. Vat.29; τοῖς παρακαλουμένοις Philipp. ap. D.18.166; “ταῖς ἐπιβολαῖς ς. τινί” Plb.3.71.5, etc.: ς. ὅτι . . agree that . ., Arist.Top.116a11: abs., assent, Sphaer.Stoic.1.141, Phld.Sign.38, A.D.Pron.49.12, BSA18.140 (Beroea, ii A.D.), etc.: later in Act., -θεῖναι εἴς τι agree to, Porph. VP61, Iamb.VP33.236: cf. συγκατάθεσις.