1. humour; humor; temper; mood; spirits
お母さんの機嫌ばかりを気にする自分が苦しかった。It was painful for me to be so concerned about my mother's mood.
2. safety; health; well-being; one's situation
3. in a good mood; in high spirits; happy; cheery; merry; chipper
usu. as ご機嫌