What is a synonym for fun?

Here are some synonyms for "fun," depending on the context:

General:

* Enjoyable

* Amusing

* Entertaining

* Delightful

* Pleasurable

* Joyful

* Lighthearted

* Merry

* Hilarious

More specific:

* Thrilling (for excitement)

* Engaging (for something that holds your interest)

* Stimulating (for something that sparks your mind)

* Refreshing (for something that makes you feel renewed)

* Relaxing (for something that helps you unwind)

Informal:

* Awesome

* Rad

* Cool

* Kickass

* A blast

The best synonym will depend on the specific situation and the meaning you want to convey.