Conclusive
Conclusive adjective - Serving to put an end to all debate or questioning.
Rational and conclusive are semantically related. In some cases you can use "Rational" instead an adjective "Conclusive".
Rational
Rational adjective - Having the ability to reason.
Conclusive and rational are semantically related. Sometimes you can use "Conclusive" instead an adjective "Rational".
Mutual synonyms
Both words in one sentence
- Sasaki in Kyon: Big Damn Hero tends to get hit by this trope fairly often due to her rational nature and not believing in the supernatural (having never been presented conclusive proof of time travel, aliens, etc.).
Source: Entertainingly Wrong
Cite this Source
Rational and Conclusive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/conclusive/rational
Conclusive & Rational. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/conclusive/rational>.
Rational or Conclusive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/conclusive/rational.
Google Ngram Viewer shows how "conclusive" and "rational" have occurred on timeline