The Hebrew verb yatab means to be good, pleasing, or joyful; to do well; to make something good or right. It occurs over 100 times in the Old Testament and is the verbal form related to the adjective tov (good). The word encompasses both moral goodness and the experience of well-being or gladness.
Yatab connects obedience to God with genuine well-being. When Israel is told that it will "go well" with them if they obey the LORD's commands, this verb is often used. It bridges the gap between moral conduct and experiential blessing, showing that God's commands are not arbitrary but are designed to bring true goodness into human life. The word also appears in contexts of making something pleasing or beautiful, reflecting God's desire to bring order and goodness into His creation.