A pleasing or diverting occupation for the mind; a diversion, amusement or gratification: The daily crossword is entertainment for many.
An activity understood objectively, involving communication between text and audience from an external stimulus that offers pleasure and requires an audience’s active participation: he was entertained by the performance.

Children’s entertainment often mimics adult activities, prepares them for responsibilities (through dolls and pets), develops skills such as motor skills required for sports and music, and is an important part of their development. Entertainment may also be a form of work for some, such as cooking or gardening, that have become both necessary and entertaining activities.