Same word as happy:

blessed, blest, blissful, blithe, can't complain, captivated, cheerful, chipper, chirpy, content, contented, convivial, delighted, ecstatic, elated, exultant, flying high, gay, glad, gleeful, gratified, intoxicated, jolly, joyful, joyous, jubilant, laughing, light, lively, l