Strong's #2308: thelesis (pronounced thel'-ay-sis)
from 2309; determination (properly, the act), i.e. option:--will.
Thayer's Greek Lexicon:
́
thelēsis
1) a willing will
Part of Speech: noun feminine
Relation: from G2309
Citing in TDNT: 3:62, 318
Usage:
This word is used 1 times:
Hebrews 2:4: "Ghost, according to his own will?"