/ Thesaurus / P Synonyms of prostheon Find synonyms for: Noun1. prosthion, prostheon, alveolar point, craniometric pointusage: craniometric point that is the most anterior point in the midline on the alveolar process of the maxillaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language