ἐξίστασθαι (existasthai)
ἐξίστασθαι is an Ancient Greek form of ἐξίστημι, meaning “displace; be astonished; change”. It is the present middle/passive infinitive.
Found 36 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 3.1.91: … οῦ ἐν ταῖς κοινωνίαις καὶ τοῖς συναλλάγμασι δικαιοπραγεῖν· ἡ δὲ ἀνδρεία τοῦ ἐν τοῖς κινδύνοις καὶ φοβεροῖς μὴ ἐξίστασθαι ποιεῖν, ἀλλὰ μένειν· ἡ δὲ σωφροσύνη τοῦ κρατεῖν τῶν ἐπιθυμιῶν καὶ ὑπὸ μηδεμιᾶς ἡδονῆς δουλοῦσθαι, ἀλλὰ κοσμίω …
Flavius Josephus, The Jewish War 1.137: ἐπεὶ μέντοι Πομπήιος ἐξίστασθαί τε τῶν φρουρίων ἐκέλευεν αὐτῷ καὶ παράγγελμα τῶν φρουράρχων ἐχόντων μόναις πειθαρχεῖν ταῖς αὐτογράφοις ἐπιστο …
All forms of ἐξίστημι (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.