συνεῖδον
συνεῖδον, inf. -ιδεῖν, aor. 2 of συνοράω.
Strong 4894
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1. to see together or at the same time (Arist., Xen.).
2. to see in one view, hence, of mental vision, to comprehend, understand (LXX, Polyb., Plut., al.) : Ac 12:12 14:6 (on the related σύνοιδα, v. s.v.).†