formula one
another word for large group is clan.
The noun 'galaxy' is a singular, common, concrete noun; a word for an extremely large group of stars and planets; a large group of impressive people or things. The noun 'galaxy' is used as a collective noun for a galaxy of stars (heavenly luminescence or human luminaries).
The noun 'passel' is a word for a large group of people or things, a word for a thing.
The story she wrote was impressive.
The word is exodus.
A very impressive performance is a "Showstopper".
The book was very impressive, I recommend it.That was an impressive firework display.You need to be really impressive to catch my attention.
assembly, aggregation
team
manchion
The word VEBY is an anagram of BEVY (a group or assemblage, especially a relatively large group).