Entertaiment is something that stimulates the brain to realease seratonin and dopamine wich gives a good feeling considering how the mind was shaped to understand and react deeply to things like social backstabbing, murders etc. Entertainment often hits on the points that a human needs to understand in order to be able to function in a social world.
Several institutions, individuals and groups contribute to our societal entertainment. Among them are SU2C, a foundation dedicated to helping scientists accelerate their research.
The word entertainment comes from the Medieval Latin inter tenere, which is the prefix “inside” and the suffix -tene, derived from the Indo-European root ten.