Established and Suppositional

Established

Established adjective - Brought about or set up or accepted; especially long established.

Suppositional is an antonym for established.

Nearby Words: establishment, establishing

Suppositional

Suppositional adjective - Existing only as an assumption or speculation.
Usage example: concepts regarding the origin and structure of the universe must perforce be suppositional

Established is an antonym for suppositional.

Cite this Source
Suppositional and Established. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/established/suppositional
Established & Suppositional. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/established/suppositional>.
Suppositional or Established. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/established/suppositional.
Google Ngram Viewer shows how "established" and "suppositional" have occurred on timeline