γνωστός, -ή, -όν, later form of γνωστός
(γιγνώσκω), [in LXX for various parts of ידע ;]
known: Act.9:42; with dative, Jhn.18:15, 16 (Rec.), Act.1:19 2:14 4:10 13:38 15:18 19:17 28:22, 28; γ. σημεῖον, a notable (EV) sign, one that is matter of knowledge, Act.4:16; γνωστὸν, Act.15:17, 18; τὸ γνωστὸν θεοῦ, Rom.1:19; in pl., as subst., γνωστοί, acquaintances, Luk.2:44 23:49; so in sing., Jhn.18:16 (WH).†
(AS)