Lexical Definition

‎κοινωνικός‎ koinōnikós (koy-no-nee-kos') generous ^G:A
from ‎κοινωνός‎

willing to communicate.

• communicative, i.e. (pecuniarily) liberal

Abbott-Smith

* κοινωνικός, -ή, -όν (< κοινωνία),
1. sociable.
2. ready to communicate or impart (R, mg., ready to sympathize, v. Field, Notes, 213 f.): I Ti 6:18.†

Abbott-Smith References

Liddell-Scott-Jones

κοινωνικός-ικός, ή, όν,

held in common, τὰ κ. property held by corporations, [Refs 4th c.BC+]; κ. ἐλαιών [Refs 1st c.AD+]

__b relating to partnerships, [δίκαι] [Refs 4th c.BC+]
__c κοινωνικόςικά, τά, tax on corporations, [Refs 2nd c.BC+]
__2 social, ἰσότης κοινωνικόςική [ἡ δικαιοσύνη] [Refs 5th c.BC+]; [φιλίαι] [Refs]
__3 sociable, κ. καὶ φιλικὴ διάθεσις [Refs 4th c.BC+]: superlative, τὸν ἄνθρωπον ἡ φύσις κατεσκεύασε -ώτατον [Refs 1st c.AD+] H.; τὸ -κόν sociability, [Refs 1st c.AD+]
__3.b of certain signs of the zodiac, [Refs]
__4 giving a share of, τῶν ὄντων [Refs 2nd c.AD+] ready to share luck with others, proverbial in [Refs 4th c.BC+]; liberal, [NT+2nd c.AD+]; opposed to φθονερός, [Refs 2nd c.AD+]
__5 with dative, in communion with, τῇ ἐκκλησίᾳ [Refs 6th c.AD+]
__II active, receptive, sharing in, φωτός [Refs 1st c.BC+].
__III adverb -κῶς, χρῆσθαι τοῖς εὐτυχήμασι to suffer others to partake in one's good fortune, [Refs 2nd c.BC+]
__III.2 in Medicine texts, by sympathy, κ. σπᾶσθαι probably in [Refs 6th c.AD+]

_{LSJ Scripture Refs: 1Tim.6.18}