Hilarity noun – A mood characterized by high spirits and amusement and often accompanied by laughter. Laughter is a synonym for hilarity in merriment topic. In some cases you can use "Laughter" instead a noun "Hilarity", when it comes to topics like amusement. Nearby Word: hilarious
As the rest of the panel collapsed in a mix of shock, disbelief and hilarity, Russel hurriedly tried to explain that he had meant when they were born, but the explanation was lost under the hysterical laughter.