κ94Καθιδρύσασθαι
to appoint, to instal
[Meaning] to confirm. "He sends out [John and Peter] having appointed [them] as ambassadors empowered to resolve the discussions concerning a treaty."
Καθιδρύσασθαι· βεβαιῶσαι. ἐκπέμπει γοῦν τοὺς περὶ συμβάσεως λόγους δυνατοὺς καθιδρύσασθαι κεχειροτονηκὼς πρεσβευτάς.