entertainment

娯楽(ごらく)	Entertainment like movies, comic books, Disneyland. . .

愉快(ゆかい)	entertaining. A little formal. Usually used about people, rather than movies or circuses, etc. Like this:愉快な方。ゆかいなかた. (An entertaining individual!) $$$

快感(かいかん)	A physical sensation of pleasure – usually but not always sexual.