visionary — given to or characterized by fanciful, not presently workable, or unpractical ideas, views, or schemes: a visionary enthusiast.
farsighted — seeing objects at a distance more clearly than those near at hand; hyperopic.
foreseeing — to have prescience of; to know in advance; foreknow.
perceptive — having or showing keenness of insight, understanding, or intuition: a perceptive analysis of the problems involved.
prescient — having prescience, or knowledge of things or events before they exist or happen; having foresight: The prescient economist was one of the few to see the financial collapse coming.
provident — having or showing foresight; providing carefully for the future.
sagacious — having or showing acute mental discernment and keen practical sense; shrewd: a sagacious lawyer.