盛大 (shèng dà): grand; majestic; magnificent

To celebrate the company's 50th anniversary, we held a grand banquet at a hotel in the city center and invited many partners.

Every Spring Festival, this small town holds a grand parade that attracts thousands of tourists to watch.

Their wedding was very grand, with over two hundred guests invited, and the entire garden was decorated with flowers and colorful lights.

The Olympic opening ceremony is a grand performance, with athletes from all over the world gathering together.