visionary

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Characterized by vision or foresight.
2. adj. Having the nature of fantasies or dreams; illusory.
3. adj. Existing in imagination only; imaginary.
4. adj. Characterized by or given to apparitions, prophecies, or revelations.
5. adj. Given to daydreams or reverie; dreamy.
6. adj. Not practicable or realizable; utopian: visionary schemes for getting rich.
7. adj. Tending to envision things in perfect but unrealistic form; idealistic.
8. n. One who is given to impractical or speculative ideas; a dreamer.
9. n. One who has visions; a seer.

Century Dictionary and Cyclopedia

1. Apt to behold visions: of powerful and foreseeing imagination; imaginative; in a bad sense, apt to receive and act on mere fancies or whims as if they were realities; given to indulging in day-dreams, reveries, fanciful theories, or the like.
2. Of or pertaining to visions; of the nature of a vision or a product of the imagination; imaginary; in a bad sense, having no real basis; not founded on fact or possibility; impracticable; impossible: as, a visionary scheme.
3. Appropriate to or characterized by the appearance of visions.
4. Synonyms Imaginative, romantic.
5. Unreal, fancied, ideal, illusory, utopian, chimerical.
6. n. One who sees visions; one who lives in the imagination.
7. n. One who forms impracticable schemes; one who is given to idle and fanciful projects.
8. n. Synonyms Dreamer, enthusiast.

Wiktionary

1. adj. having vision or foresight
2. adj. imaginary or illusory
3. adj. prophetic or revelatory
4. adj. idealistic or utopian
5. n. someone who has visions; a seer
6. n. an impractical dreamer
7. n. someone who has positive ideas about the future

GNU Webster's 1913

1. adj. Of or pertaining to a visions or visions; characterized by, appropriate to, or favorable for, visions.
2. adj. Affected by phantoms; disposed to receive impressions on the imagination; given to reverie; apt to receive, and act upon, fancies as if they were realities.
3. adj. Existing in imagination only; not real; fanciful; imaginary; having no solid foundation.
4. n. One whose imagination is disturbed; one who sees visions or phantoms.
5. n. One whose imagination overpowers his reason and controls his judgment; an unpractical schemer; one who builds castles in the air; a daydreamer.

WordNet 3.0

1. adj. not practical or realizable; speculative.
2. n. a person given to fanciful speculations and enthusiasms with little regard for what is actually possible
3. n. a person with unusual powers of foresight