good thing; nice thing
General expression for something beneficial, pleasant, or desirable. Often used in everyday conversation.
See also: いいこと
Something good happened today.
Exercise is a good thing for your body.
good excuse; good opportunity
Used in the pattern 〜を良いことに(して) meaning 'taking advantage of ~' or 'using ~ as a good excuse'. Often implies exploiting a situation.
See also: いいこと
He took advantage of his vacation to go on an overseas trip.
Taking advantage of his parents being away, he invited friends over and had a party.
Hey, guess what! Listen to this.
Standard kanji-kana mixed spelling.
Kanji spelling for こと; slightly more formal or literary.
Rare variant using 好い for よい.
Rare variant combining 好い and 事.
Phrase composed of 良い (good) and こと (thing, matter). The interjection sense likely developed from the idea of presenting something as a 'good thing' to share.