Lexical Definition

‎γνωστός‎ gnōstós (gnoce-tos') acquainted with G:A
from ‎γινώσκω‎

acquaintance, (which may be) known, notable.

Usage: 10 forms in 29 verses
Form Translated As     In Verse(s)
γνωστὸσ known John.18.15 • John.18.16
γνωστὸν a noteworthy Acts.4.16
known Acts.1.19 • Acts.2.14 • Acts.4.10 • Acts.9.42 • Acts.13.38 • Acts.19.17 • Acts.28.22 • Acts.28.28 • Rom.1.19
γνωστὰ known Acts.15.18
γνωστόσ made known LXX.Ps.76.1 • LXX.Isa.19.21
γνωστόν Let it be known LXX.Ezra.5.8
be made known LXX.Exod.33.16 • LXX.Ezra.4.12
knowing LXX.Gen.2.9
let it be made known LXX.Ezra.4.13
made known LXX.Ezek.36.32 • LXX.Dan.3.18
γνωστοῖσ acquaintances Luke.2.44
γνωστοὶ knew Luke.23.49
γνωστούσ his known LXX.2Kgs.10.11
knowing LXX.Ps.88.8 • LXX.Ps.88.18
γνωστοίσ my acquaintances LXX.Ps.31.11
γνωστοί my acquaintances LXX.Neh.5.10

Abbott-Smith

γνωστός, -ή, -όν, later form of γνωστός (< γιγνώσκω), [in LXX for various parts of ידע ;]
known: Ac 9:42; c. dat., Jo 18:15, 16 (Rec.), Ac 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, Ac 4:16; γνωστὸν, Ac 15:17, 18; τὸ γνωστὸν θεοῦ, Ro 1:19; in pl., as subst., γνωστοί, acquaintances, Lk 2:44 23:49; so in sing., Jo 18:16 (WH).†

Abbott-Smith References

Book Refs
Luke 2:44 · 23:49
John 18:15 · 18:16
Acts 1:19 · 2:14 · 4:10 · 4:16 · 9:42 · 13:38 · 15:17 · 15:18 · 19:17 · 28:22 · 28:28
Romans 1:19

Liddell-Scott-Jones

γνωστός, γνώριμος, ή, όν,

collateral form of γνωτός (which see), known, [Refs 5th c.BC+]; γνωστόν, τό, common knowledge, τινός [Refs 4th c.AD+] adverb -τῶς clearly, [LXX]

__2 knowable, [Refs 4th c.BC+]; γνωστὰ σαρκός bodily symptoms (of anger), [Refs 1st c.BC+]
__II plural, as substantive, ={γνώριμοι}, notables, [LXX+2nd c.AD+]; acquaintance, friend, [NT]
__III active, knowing, uncertain in [LXX+1st c.AD+]

LSJ Scripture Refs: LXX.Prov.27.23 ☩ LXX.Prov.31.23 ☩ Luke.2.44 ☩ LXX.Gen.2.9