* "The comedian's jokes were so funny that they sparked a wave of hilarity throughout the audience." (This sentence describes the effect of the comedian's humor.)
* "The scene at the dinner table was pure hilarity as everyone shared embarrassing childhood stories." (This sentence describes the atmosphere of the situation.)
* "Her witty remarks and playful banter were the source of much hilarity at the party." (This sentence explains the reason for the laughter.)
* "The video of the cat chasing its tail was a source of endless hilarity for the internet." (This sentence focuses on the object that caused the laughter.)
* "The hilarity of the situation made it difficult to take the matter seriously." (This sentence shows how laughter can sometimes overshadow the seriousness of a situation.)
Remember, "hilarity" is a noun, so it will function as a subject, object, or complement in a sentence.