Lexical Definition

‎θέλησις‎ thélēsis (thel'-ay-sis) will G:N-F
from ‎θέλω‎

will.

Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
θελήσει their volition LXX.2Chr.15.15
volition LXX.Ezek.18.23
θέλησισ volition LXX.Prov.8.35
θέλησιν will Heb.2.4

Abbott-Smith

θέλησις, -εως, ἡ (θέλω), [in LXX: II Ch 15:15, Pr 8:35 (רָצוֹן), Ez 18:23 (חֵפֶץ), Da LXX 11:45 (צְבִי), To 12:18, Wi 16:25, II Mac 12:16, III Mac 2:26*;]
in colloq. and MGr. = τὸ θέλειν, will: He 2:4.†

Abbott-Smith References

Book Refs
2 Chronicles 15:15
Proverbs 8:35
Ezekiel 18:23
Daniel 11:45
Hebrews 2:4

Liddell-Scott-Jones

θέλησις-ησις, εως, ,

a willing, will, [LXX+5th c.BC+], wishes, [Refs 5th c.BC+]

__II goodwill, favour, [LXX]

LSJ Scripture Refs: Heb.2.4LXX.Prov.8.35