General:
* Applause
* Handclapping
* Ovations (for sustained, enthusiastic clapping)
* Bravos (for loud, enthusiastic applause)
* A round of applause
More descriptive:
* Thunderous applause
* Rousing cheers
* Deafening cheers
* Standing ovation
* A storm of applause
The best word to use depends on the specific context and the level of enthusiasm you want to convey.