こと 事となる Show inflections LinksSentence search for 事となるSentence search for こととなるSentence search for 事と成るKanji details for 事Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to have been decided (so) that; to have been arranged (so) thatUsually written using kana aloneOther forms事と成る 【こととなる】 Discussions Log in to talk about this word.