utopian

Of or pertaining to or resembling a utopia.

utopian happiness

The world we lived in was wide, and most of it was open to us with little trouble. Roads, railways, and shipping lines laced it, ready to carry one thousands of miles safely and in comfort. If we wanted to travel more swiftly still, and could afford it, we traveled by airplane. There was no need for anyone to take weapons or even precautions in those days. You could go just as you were to wherever you wished, with nothing to hinder you - other than a lot of forms and regulations. A world so tamed sounds utopian now.

Ideal but often impractical; visionary.

a utopian project

The Great Society was never, in my mind, just a visionary utopian ideal. I considered it a realistic outline of what this nation could achieve in a limited period of time if we marshaled our will and committed our resources.

Someone who supports or heralds the establishment of a utopia.

One of our brighter young Utopians, Aldous Huxley, predicts that the movies of the future will include “feelies” and “smellies.”

Digital utopians have heralded the dawn of an era in which Web 2.0 […] ushers in the democratization of the world: more information, more perspectives, more opinions, more everything, and most of it without filters or fees.

Alternative letter-case form of utopian.

[I]f it sounds Utopian to say that Christianity can save the world—remember, it is Utopia or hell!