Entertaiment is the act of entertaining or the state of being entertained. It also refers to something affording pleasure, diversion, or amusement: Solving the daily crossword is an entertainment for many. Entertainments can be ceremonial, satirical, or simply playful. Many activities that were once used in hunting or war have become spectator sports, while others have evolved into more elaborate performances for thousands or even global audiences. Some entertainers are known for crossing over into other media, such as film or television.

The word entertainment is uncountable, but often the plural form, entertainments, is used in particular contexts, such as a reference to several different types of entertainment. It is sometimes abbreviated to entmt on fliers or in industry news publications, but this usage is not common in general prose.