a. Of or pertaining to Utopia; resembling Utopia; hence, ideal; chimerical; fanciful; founded upon, or involving, imaginary perfections;
n. An inhabitant of Utopia; hence, one who believes in the perfectibility of human society; a visionary; an idealist; an optimist. Hooker. [ 1913 Webster ]
n. The ideas, views, aims, etc., of a Utopian; impracticable schemes of human perfection; optimism. [ 1913 Webster ]
n. An Utopian; an optimist. [ 1913 Webster ]