συγ·χρηματίζω [ᾰ] être appelé avec, avoir un nom en commun avec, dat. PTOL. Tetr. p. 79, 8.

to be associated with, συγχρηματίζειν τῇ Ῥωμαϊκῇ καὶ τὴν Ἑλληνικὴν ἡμέραν the Greek date shall be used along with the Roman, OGI 458.53 (i BC), cf. Ptol. Tetr. 79, Vett.Val. 278.11; act together with, τινὶ ἐν τοῖς τῆς πόλεως λόγοις POxy. 2135.3 (ii AD), cf. Ath.Mitt. 37.277 (Pergam.), PTeb. 397.26 (ii AD), PSI 10.1104.14 (ii AD); abs., PPetr. 3 p. 221 (iii BC, cf. Arch.Pap. 7.79), PLille 49.3 (iii BC, cf. Arch.Pap. 7.297); ἐπιγράφεσθαι ἐπὶ τῶν συγχρηματιζομένων shall have his name inscribed at the head of contracts, IGRom. 4.292.38 (Pergam., ii BC).