mirthfully (adverb)

1. The character laughed mirthfully at the joke in the book, spreading joy to the readers.

2. During the victory celebrations after the war, the soldiers danced mirthfully in the streets, rejoicing in their triumph.

3. As they strolled hand in hand through the park, the couple smiled mirthfully at each other, their joy evident in their eyes.

4. The comedian delivered his punchline, and the audience erupted mirthfully into laughter, thoroughly entertained.