causing or suggesting happiness

happy

feeling or showing confidence

certain, assured

of, concerning, causing, feeling, ecstasy

very happy, blissful

of a feast or festival; very enjoyable

decorated, celebratory

kindly, sympathetic; sociable

extremely nice and happy

feeling or expressing pleasure, contentment, satisfaction etc

in high spirits; satisfied

having hope; giving hope

optimistic, expectant

the act, state, of improving or being improved

bettering; something bettered

too confident

confident

hopeful; optimistic

happy; optimistic

lively; high-spirited

lively, spirited