Prognosticator
The Century Dictionary and Cyclopedia
noun.
A foreknower or foreteller of future events by present signs; a soothsayer.
the GNU version of the Collaborative International Dictionary of English
noun.
One who prognosticates; a foreknower or foreteller of a future course or event by present signs.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
One who
prognosticates
or makes
predictions
; one who
forecasts
or
guesses
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who makes predictions of the future (usually on the basis of special knowledge)