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Clairvoyant (adjective) Of or relating to clairvoyance. 
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Clairvoyant (adjective) Able to see things that cannot be perceived by the normal senses. 
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Clairvoyant (adjective) Able to foresee the future. 
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Clairvoyant (adjective) Relating to a form of parallel processing algorithm given advance information about the problem. 
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Clairvoyant (noun) A person able to see things that cannot be perceived by the normal senses. 
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Clairvoyant (noun) A person able to foresee the future. 
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Prescient (adjective) Exhibiting or possessing prescience: having knowledge of, or seemingly able to correctly predict, events before they take place. from early 17th c. “clairvoyant|foreknowing|foreseeing|prescious|q4=obsolete|prescientific|q5=rare|prevoyant” “unforeseeing” 
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