noun
one whose conduct is guided more by ideals than practicalities
a dreamer proposing glorious plans impossible to make work
Synonyms: castle-builder, idealist, ideologue, utopian, visionary
Related Word: daydreamer, illusionist, lotus-eater, wishful thinker; Don Quixote; theorist
Contrasted words: pragmatist, realist; Babbitt, Philistine; pedant