clair·voy·ant 
(klâr-voi
ənt)
adj.1. Of or relating to clairvoyance.
2. Having the supposed power to see objects or events that cannot be perceived by the senses.
n. A person, such as a medium, possessing the supposed power of clairvoyance.
[French : clair, clear (from Latin clārus; see kelə-2 in the Appendix of Indo-European roots) + voyant, present participle of voir, to see (from Latin vidēre; see weid- in the Appendix of Indo-European roots).]