The crossword solution for the term 'Vegas Opener' is 'LAS', which is the three-letter abbreviation for the city of Las Vegas, Nevada. Las Vegas is known for its vibrant nightlife and entertainment, and is often referred to as the 'Entertainment Capital of the World'. The city is home to many casinos, resorts, and other attractions, and is a popular destination for tourists from around the world. The term 'Vegas Opener' is often used to refer to the opening of a new casino or resort in Las Vegas.