Lexical Definition

‎ἁγιωσύνη‎ hagiōsýnē (hag-ee-o-soo'-nay) holiness G:N-F
from ‎ἅγιος‎

holiness.

Usage: 5 forms in 7 verses
Form Translated As     In Verse(s)
ἁγιωσύνῃ holiness 1Thess.3.13
ἁγιωσύνησ of holiness Rom.1.4
ἁγιωσύνην holiness 2Cor.7.1
αγιωσύνησ of his holiness LXX.Ps.30.4LXX.Ps.97.12
of your holiness LXX.Ps.145.5
αγιωσύνη holiness LXX.Ps.96.6

Abbott-Smith

ἁγιωσύνη (cf. ἀγαθωσύνη), -ης, ἡ (< ἅγιος), [in LXX: Ps 29 (30):4* 96 (97):12 (קֹדֶשׁ), 95 (96):6* (עֹז), 144 (145):5* (הוֹד), II Mac 3:12*;]
holiness, the state in man resulting from ἁγιασμός, q.v.: Ro 1:4, II Co 7:1, I Th 3:13 (Cremer, 52; MM, VGT, s.v.).†

Abbott-Smith References

Book Refs
Psalms 30:4* · 96:6* · 97:12 · 145:5*
Romans 1:4
2 Corinthians 7:1
1 Thessalonians 3:13

Liddell-Scott-Jones

ἁγιωσύνη, ,

holiness, sanctity, [LXX+NT]

__II as title, [Refs 6th c.AD+]

LSJ Scripture Refs: Rom.1.4