utopian
u-to-pi-an
noun
A person who advocates or pursues an ideal, perfect, but often impractical society.
"He was a utopian, always seeking a flawless world."
adjective
Relating to or characteristic of an ideal, perfect, but often impractical society.
"They discussed their utopian vision for the future."
Thesaurus
Synonyms: airy, visionary, impractical, windy, Laputan
Antonyms: dystopian