/ Thesaurus / P Synonyms of prognosticator Find synonyms for: Noun1. forecaster, predictor, prognosticator, soothsayer, visionary, illusionist, seerusage: someone who makes predictions of the future (usually on the basis of special knowledge)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language