† 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 2:125:426:51, Lk 2:478:56, Ac 2:7, 128:139:2110:4512:16 (Cremer, 309).†