Extensional
Extensional adjective - Defining a word by listing the class of entities to which the word correctly applies.
Necessary and extensional are semantically related. in logical topic. In some cases you can use "Necessary" instead an adjective "Extensional", when it comes to topics like probable.
Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Extensional and necessary are semantically related. You can use "Extensional" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Mutual synonyms
Cite this Source
Necessary and Extensional. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extensional/necessary
Extensional & Necessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extensional/necessary>.
Necessary or Extensional. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extensional/necessary.
Google Ngram Viewer shows how "extensional" and "necessary" have occurred on timeline