for which see MIND, No. 1, is translated "understanding" in Luk 24:45, AV (RV, "mind"); 1Co 1:14-15 (twice), 1Co 14:19, Phi 4:7, Rev 13:18.
akin to suniemi, "to set together, to understand," denotes (a) "the understanding, the mind or intelligence," Mar 12:33; (b) "understanding, reflective thought," Luk 2:47, 1Co 1:19, RV, "prudence;" Eph 3:4, RV (AV, "knowledge"); Col 1:9, Col 2:2, 2Ti 2:7. See PRUDENCE, No. 2. for which see MIND, No. 2, is rendered "understanding" in Eph 4:18, 1Jo 5:20 (in some texts, Eph 1:18, AV, for kardia, "heart," RV). "without understanding or discernment" (a, negative, sunetos, "intelligent, understanding"), is translated without understanding" in Mat 15:16, Mar 7:18, Rom 1:31, Rom 10:19, RV, "void of understanding" (AV, "foolish"); in Rom 1:21, RV, "senseless" (AV, "foolish"). Note: In 1Co 14:20, AV, phren, "the mind," is translated "understanding" (twice), RV, "mind."