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entertain (v) [I or T]
to keep a group of people interested or amused:
e.g. We hired a magician to entertain the children.
e.g. Most children's television programmes aim to educate and entertain at the same time.
entertainment (n) [C or U]
shows, films, television, or other performances or activities that entertain people, or a performance of this type:
e.g. There's not much in the way of entertainment in this town - just the cinema and a couple of pubs.
FORMAL e.g.This season's entertainments include five new plays and several concerts of Chinese and Indian music.
Entertainment is an event, performance, or activity designed to give pleasure or relaxation to an audience (although, for example, in the case of a computer game the "audience" may be only one person). The audience may participate in the entertainment passively as in watching opera, or actively as in computer games. The playing of sports and reading of literature are usually included in entertainment, but these are often called recreation more specifically, because they involve some active participation beyond mere leisure. The industry that provides entertainment is called the entertainment industry. (e.g. Circus, Comedy, Dance, Film, Magic, Mass media, Music, Sports, Theatre, Video game, etc)