Esperanto Etymology From supozi + -o. Pronunciation IPA(key): [suˈpozo]Rhymes: -ozoHyphenation: su‧poz‧o Noun supozo (accusative singular supozon, plural supozoj, accusative plural supozojn) supposition Related terms antaŭsupozo (“presumption; presupposition”)Wikiwand - on Seamless Wikipedia browsing. On steroids.