cheerfully
Definitions
In a way that shows happiness or optimism.
In a willing and ungrudging manner.
Examples
She greeted her guests cheerfully as they arrived at the party.
The little boy skipped cheerfully down the sidewalk on his way to school.
He accepted the difficult task cheerfully, knowing it would help the team succeed.
Synonyms
happily joyfully gleefully blithely merrily jovially buoyantly
Antonyms
sadly gloomily miserably sorrowfully unhappily morosely dejectedly