Quick Definition
willing, willingly
Strong's Definition
voluntary
Derivation: of uncertain affinity;
KJV Usage: willingly
Thayer's Greek Lexicon
ἑκών, ἑκοῦσα, ἑκον, unforced, voluntary, willing, of one's own will, of one's own accord: Rom_8:20; 1Co_9:17. (From Homer down.)
Mounce Concise Greek Dictionary
ἑκών hekōn 2x
willing, voluntary, Rom_8:20 ; 1Co_9:17
Abbott-Smith Greek Lexicon
ἑκών , -οῦσα , -όν ,
[in LXX : Exo_21:13 , Job_36:19 * ;]
willing, of one's own free will: Rom_8:20 , 1Co_9:17 ( Cremer , 246).†
Moulton & Milligan — Vocabulary of the Greek NT
ἑκών [page 200]
In a deed of gift BGU III. 993 .10 (B.C. 127) the signatories are introduced by ἑκόντες συνεγράψαντο . From the inscrr. we may cite Syll 810 .4 εἰ δέ τι ἑκὼν ἐξαμαρτ [ήσει ], οὐκ ἐμὸν ἐπαράσ [ασθαι ,] δικὴ δὲ ἐπικρέματα [ι ] τιμωρὸς ἀπελθόν [τι ] ἀπειθὴς Νεμέσε [ως : cf. Rom_12:19 . In OGIS 139 .10 (ii/B.C.) the priests of Isis complain that they are obliged παρουσίας αὐτοῖς ποιεῖσθαι οὐχ ἑκόντας , evidently with reference to the preparations which the παρουσίαι or visits of high officials entailed.
Liddell-Scott — Intermediate Greek Lexicon
ἑκών "willing, of free will, readily", Hom. , etc. "wittingly, purposely", ἑκὼν ἡμάρτανε φωτός Il. , attic in Prose, ἑκὼν εἶναι or ἑκών, "as far as depends on my will, as far as concerns me", mostly with a negat., Hdt. , Plat.
STEPBible — Tyndale Abridged Greek Lexicon
ἑκών, -οῦσα, -όν
[in LXX: Exo.21:13, Job.36:19 * ;]
willing, of one's own free will: Rom.8:20, 1Co.9:17 (Cremer, 246).†
(AS)