seer

noun2

1. •
   One who foretells the future; a clairvoyant, prophet, soothsayer or diviner.
2. •
   One who sees something; an eyewitness.

   • As a seer of beautiful visions, or, shall we say, of visions of the beautiful, he is never weary of celebrating the poet and his vocation. — 1924

noun1

1. •
   Initialism of seasonal energy efficiency ratio.