Synonyms for Amusing (same or very similar meaning)
WordNet sense 1 (providing enjoyment; pleasantly entertaining):
fun, diverting, amusiveWordNet sense 2 (agreeably diverting or amusing):
entertainingWordNet sense 3 (arousing or provoking laughter):
comic, comical, funny, laughable, mirthful, risibleWordNet sense 4 (full of or characterized by humor):
humorous, humourousFrom the ODE community, based on WordNetadd/edit