ἐκπλήσσεσθαι
From LSJ
οὐκ ἔστι λέουσι καὶ ἀνδράσιν ὅρκια πιστά → there are no pacts between lions and men, between lions and men there are no oaths of faith, there can be no covenants between men and lions
Greek > English (Woodhouse Verbs Reversed)
(see also ἐκπλήσσω): be agitated, be in a ferment, be prostrated, be shocked at, be startled, be transfixed, be transported by feelings, marvel at