Utopia (noun)

1. An imagined place or state of things in which everything is perfect.
2. A visionary scheme for social and political reform.

Origin:

From the greek words "ou" meaning "not" and "topos" meaning "place", coined by sir thomas more in 1516 in his book "utopia".

Examples:

1. He didn't believe in utopia, he thought that there was no such thing as a perfect society.
2. The country was working towards a utopia where everyone had equal rights and opportunities.
3. The company's new business plan was seen as a utopia by some, but others believed it was impossible to implement.
4. The city was a utopia for artists, with its many galleries and museums.
5. She had always dreamed of living in a utopia where there was no poverty or crime.