κατ-αλλάσσω

(Att.. -ττω; cf. ἀλλάσσω) [in LXX: Jer.48:39 (חָתַת), 2Ma.1:5 2Mac 7:33 2Mac 8:29 * ;]

prop. to change, exchange (esp. of money); hence, of persons, to change from emnity to friendship, to reconcile (for exx. in cl. see Thayer„ LS): of the reconciliation of man to God (Lft. Notes, 288; ICC on Ro, l.with; DCG, ii, 474, 797), 2Co.5:18-19; pass Rom.5:10, 2Co.5:20; of a woman returning to her husband, 1Co.7:11 (cf. ἀπο-καταλλάσσω).†

(AS)

to change; exchange; to reconcile