clairvoyant (n.) Look up clairvoyant at Dictionary.com
1834 in the psychic sense; see clairvoyant (adj.). Earlier it was used in the sense "clear-sighted person" (1794). Fem. form was Clairvoyante.
clairvoyant (adj.) Look up clairvoyant at Dictionary.com
"having psychic gifts," 1837, earlier "having insight" (1670s), from special use of French clairvoyant "clear-sighted, discerning, judicious" (13c.), from clair (see clear (adj.)) + voyant "seeing," present participle of voir, from Latin videre "to see" (see vision).