Entertainment, a word whose uses are many and varied. A brief look at the dictionary will reveal it a noun, a verb, and an adjective describing one or more of the above sex. It also is a noun, verb, and adjective describing a person or group occupying a given space. A noun is the best way to describe a category of a person, or group of people; a verb is the action or act of relating to a particular category of the above. It is also the noun for a category of object or event defining one or more of the above sex.