ἘΞΊΣΤΗΜΙ: † ἐξ-ίστημι (also in Hellenistic -ιστάνω, Ac 8:9), [ [in LXX forחרד , etc. (29 words in all) ;], ] 1. . causal in pres., impf., fut., 1 aor., to put out of its place; metaph., ἐ. τινά φρενῶν (Eur.), to drive one out of his senses, hence, absol., to confound, amaze: c. acc pers., Lk 24:22, Ac 8:9, 11.
2. . Intr. in pass. and mid., also in 2 aor., pf., plpf. act., seq. ἐκ or c. gen., to stand aside from, retire from; esp. τ. φρενῶν,to lose one's senses (Eur.), hence, absol.; (a) . to be beside oneself, be mad: Mk 3:21, II Co 5:13 (opp. to σωφρονεῖν); (b) . to be amazed, confounded: Mt 12:23, Mk 2:12 5:42 6:51, Lk 2:47 8:56, Ac 2:7, 12 8:13 9:21 10:45 12:16 (Cremer, 309).†