1. The action of providing or being provided with amusement or enjoyment.

2. An event, performance, or activity designed to entertain others.

 

1530s, provision for support of a retainer; manner of social behavior, now obsolete, along with other 16c. senses; from entertain + -ment. Meaning the amusement of someone is from 1610s; that which entertains is from 1650s; public performance or display meant to amuse is from 1727.