Deductive
Deductive adjective - Being or provable by reasoning in which the conclusion follows necessarily from given information.
Usage example: using deductive reasoning we must conclude that since everyone eventually dies, sooner or later it's going to be our turn
Rational and deductive are semantically related in deducing from general principle topic. In some cases you can use "Rational" instead the word "Deductive" as an adjective or an adverb.
Mutual synonyms
Related pairs
Both words in one sentence
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The other animals are clearly capable of communication, rational thought and thinking skills like decision making and deductive reasoning.
Cite this Source
Rational and Deductive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deductive/rational
Deductive & Rational. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deductive/rational>.
Rational or Deductive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deductive/rational.
Google Ngram Viewer shows how "deductive" and "rational" have occurred on timeline