Here are some other words for "laugh" in Hindi, with different nuances:
* मुस्कुराना (muskurana): smile, grin
* ठहाका लगाना (thahaka lagana): roar with laughter, burst out laughing
* खिलखिलाना (khilkhilana): giggle, chuckle
* छींकना (chhikana): snort with laughter
The best word to use will depend on the context and the type of laugh you want to describe.