いいこと

Also written いい事, 好い事, 善い事

Meanings

1. Expression, Noun good thing; nice thing
2. good excuse; good grounds; good opportunity (usu. as 〜をいいことに(して))
3. (good) idea
4. Interjection interjection used to impress an idea or to urge a response

Jinuma: Japanese Dictionary · Word lists