Rational
Sagacious
Sagacious adjective - Having or showing deep understanding and intelligent application of knowledge.
Rational is a synonym for sagacious in sensible topic. You can use "Rational" instead an adjective "Sagacious", if it concerns topics such as character trait, reason, reasonable, smart. popular alternative
Nearby Word: sagacity
Mutual synonyms
Related pairs
Cite this Source
Sagacious and Rational. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/rational/sagacious
Rational & Sagacious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/rational/sagacious>.
Sagacious or Rational. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/rational/sagacious.
Google Ngram Viewer shows how "rational" and "sagacious" have occurred on timeline