Here are some synonyms for boisterous:
* Rowdy
* Lively
* Noisy
* Turbulent
* Exuberant
* Animated
* Sprightly
* Merry
* Jocular
Example sentences:
* The children were so boisterous at the party, it was hard to hear yourself think.
* The crowd erupted in boisterous cheers after the winning goal.
* The boisterous laughter echoed through the halls.
* The boisterous waves crashed against the shore.
Note: While "boisterous" can be a positive term, it can also imply a lack of control or decorum, depending on the context.