Rational
Tranquil
Tranquil adjective - Free from disturbing noise or uproar.
Rational and tranquil are semantically related. Sometimes you can use "Rational" instead an adjective "Tranquil".
Nearby Word: tranquilly
Mutual synonyms
Both words in one sentence
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Hikari is kind, tranquil, rational and understanding.
Source: Manga / Evangelion 303
Cite this Source
Tranquil and Rational. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/rational/tranquil
Rational & Tranquil. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/rational/tranquil>.
Tranquil or Rational. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/rational/tranquil.
Google Ngram Viewer shows how "rational" and "tranquil" have occurred on timeline