laughable vs amusing

laughable and amusing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
laughable	No	Yes	No	No
amusing	No	Yes	No	No

As adjectives, laughable and amusing are synonyms defined as:

Other synonyms of laughable include comic, comical, funny, mirthful, risible.

laughable (adjective)	amusing (adjective)
so unreasonable as to invite derision	arousing or provoking laughter
arousing or provoking laughter	providing enjoyment; pleasantly entertaining