The Macy's Day Parade is a huge spectacle. Spectacle means:
Splendid sight for the public to watch.
Today, the exuberant parade is a tradition, and a hallmark of the holiday. Exuberant means:
Lively and energetic.
The staff at Macy's, most of them first-generation immigrants, wanted to celebrate their new homeland with a parade! Immigrant means:
Someone who was born outside the U.S. but moved there.