Strong's #2309: thelesis (pronounced thel'-ay-sis)
apparently strengthened from the alternate form of 138; to determine (as an active option from subjective impulse; whereas 1014 properly denotes rather a passive acquiescence in objective considerations), i.e. choose or prefer (literally or figuratively); by implication, to wish, i.e. be inclined to (sometimes adverbially, gladly); impersonally for the future tense, to be about to; by Hebraism, to delight in:--desire, be disposed (forward), intend, list, love, mean, please, have rather, (be) will (have, -ling, - ling(-ly)).
Thayer's Greek Lexicon:
́ / ̓́
thelō / ethelō
1) to will, have in mind, intend
1a) to be resolved or determined, to purpose
1b) to desire, to wish
1c) to love
1c1) to like to do a thing, be fond of doing
1d) to take delight in, have pleasure
Part of Speech: verb
Relation: apparently strengthened from the alternate form of G138
Citing in TDNT: 3:44, 318
This word is used 210 times:
James 2:20: "But wilt thou know, O vain man, that faith"
James 4:15: "If the Lord will, we shall live, and do"
1 Peter 3:10: "For he that will love life, and see good days,"
1 Peter 3:17: "the will of God be so, that ye suffer for well doing, than for evil doing."
2 Peter 3:5: "For this they willingly are ignorant of, that by the word"
3 John 1:13: "many things to write, but I will not with ink and"
Revelation 11:5: "And if any man will hurt them, fire proceedeth out of"
Revelation 11:5: "enemies: and if any man will hurt them, he must"
Revelation 11:6: "the earth with all plagues, as often as they will."
Revelation 22:17: "come. And whosoever will, let him take the water of life"