The term SHOW OF AMUSEMENT can be summarized by two crossword solutions: GRIN (4 letters) and SITCOM (6 letters). A GRIN is a facial expression that is typically used to express amusement, happiness, or pleasure. It is usually characterized by a wide smile with the corners of the mouth turned up and the eyes squinting. A SITCOM, short for situation comedy, is a genre of comedy television program that typically features a cast of recurring characters in a humorous situation. Sitcoms often use physical humor, situational irony, and other comedic devices to create laughter.