"having psychic gifts, characterized by powers of clairvoyance," 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" (from PIE root *weid- "to see"). Related: Clairvoyantly.
1834 in the psychic sense, "person supposed to possess powers of clairvoyance;" see clairvoyant (adj.). Earlier it was used in the sense "clear-sighted person" (1794). Fem. form is Clairvoyante.
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