A.interchange, esp. for purposes of conciliation, ἐν ξυναλλαγῇ λόγου by reconciling words, S.Aj.732; “λόγων ξυναλλαγαῖς” E.Supp.602 (lyr.): abs., reconciliation, making of peace, Th.4.20; “ὅρκοι ξυναλλαγῆς” Id.3.82: in pl. συναλλαγαί, treaty of peace, X.HG 6.5.8.
2. commerce, dealings, λέκτρων ἦλθες ἐς συναλλαγάς (of a procuress) E.Hipp.652; ἔν τε δαιμόνων συναλλαγαῖς in the dealings of men with the immortals, S.OT34; “ἐπὶ συναλλαγαῖς γάμου” D.H. 1.60; covenant, contract, Id.6.22, POxy.70.4 (iii A.D.); αἱ πρὸς ἀλλήλους ς. OGI669.18 (Egypt, i A.D.).
3. rate of exchange, agio, PMasp. 131.1, al. (vi A.D.).