/ Thesaurus / S Synonyms of scientific fact Find synonyms for: Noun1. scientific fact, observationusage: an observation that has been confirmed repeatedly and is accepted as true (although its truth is never final)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language