/ Thesaurus / O Synonyms of optical fusion Find synonyms for: Noun1. fusion, optical fusion, visual perception, beholding, seeingusage: the combining of images from the two eyes to form a single visual perceptWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language