What is A synonym for laughing happily?

Here are some synonyms for laughing happily, depending on the specific nuance you want to convey:

General:

* Chuckling

* Giggling

* Beaming

* Grinning

* Smiling broadly

* Chortling

More energetic:

* Whooping

* Hooting

* Guffawing

* Roaring with laughter

More lighthearted:

* Tittering

* Snickering

* Squealing with laughter

More joyful:

* Rejoicing

* Exulting

* Jubilant

The best synonym will depend on the context of your sentence and the specific emotion you want to emphasize.