carouse
Meaning: to party, celebrate
Usage: The fans caroused downtown after their team won the championship.
cavort
Meaning: to leap about, behave boisterously
Usage: The adults ate their dinners on the patio, while the children cavorted around the pool.
rhapsodize
Meaning: to engage in excessive enthusiasm
Usage: The critic rhapsodized about the movie, calling it an instant classic.
convivial
Meaning: friendly, lively, and enjoyable
Usage: The restaurant’s convivial atmosphere put me immediately at ease.