divertir
transitive verb
1. to entertain, to amuse
divertirse
pronomial verb
1. to enjoy oneself
se divirtieron muchísimo en la excursión -> they had a great time on the trip, they really enjoyed the trip
se divierte con cualquier cosa -> she's easily amused
¡que te diviertas/os divirtáis! -> have a nice time!, enjoy yourself/yourselves!