Supergroup (noun)

1. A musical group consisting of members who have already achieved success with previous bands or as solo artists.
2. A group of individuals who are highly successful and respected in their field.

Origin:

Derived from the word 'super' meaning above or excessive and 'group' meaning a set of people or things.

Examples:

1. The supergroup comprised of musicians from popular bands of the 90s and attracted a huge fan following.
2. The supergroup's debut album topped the charts and was well-received by fans and critics alike.
3. The scientist was part of a supergroup of researchers who made a groundbreaking discovery.
4. The investors formed a supergroup to pool their resources and invest in promising startups.
5. The supergroup's concert was a once-in-a-lifetime event that was highly anticipated by music lovers.