ἑκούσια (hekousia)
ἑκούσια is an Ancient Greek form of ἑκούσιος, meaning “voluntary”. It is the nominative singular feminine adjective.
Found 42 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Fabius Maximus 17.3: τὰ γὰρ πλεῖστα καὶ μέγιστα τῶν ἐθνῶν αὐτῷ προσεχώρησεν ἑκούσια, καὶ Καπύην, ἣ μέγιστον ἔχει μετὰ Ῥώμην ἀξίωμα τῶν πόλεων, προσθεμένην κατέσχεν. οὐ μόνον δʼ ἦν ἄρα τὸ φίλων …
Sophocles, Trachiniae 1123: νῦν ἐστιν ὥς θʼ ἥμαρτεν οὐχ ἑκουσία.
Plato, Republic 3.399: … ούτοις παρατεταγμένως καὶ καρτερούντως ἀμυνομένου τὴν τύχην· καὶ ἄλλην αὖ ἐν εἰρηνικῇ τε καὶ μὴ βιαίῳ ἀλλʼ ἐν ἑκουσίᾳ πράξει ὄντος, ἢ τινά τι πείθοντός τε καὶ δεομένου, ἢ εὐχῇ θεὸν ἢ διδαχῇ καὶ νουθετήσει ἄνθρωπον, ἢ τοὐναντίον …
All forms of ἑκούσιος (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.