rational ground

[/ˈræʃənəl ɡraʊnd/]
noun phrasepl: rational grounds
fundamento racional
1. A logical, reasoned, or factual basis for a belief, decision, or action; a justification based on reason rather than emotion or intuition
The court dismissed the case because there was no rational ground for the plaintiff's claim.
O tribunal rejeitou o caso porque não havia fundamento racional para a reclamação do autor.
2. In philosophy, a principle or reason that serves as a foundation for knowledge or belief
Descartes sought a rational ground for all knowledge through methodical doubt.
Descartes buscava um fundamento racional para todo o conhecimento através da dúvida metódica.
3. A sound or valid reason supported by logic and evidence
We have rational ground to believe the experiment will succeed based on our preliminary data.
Temos fundamento racional para acreditar que o experimento terá sucesso baseado em nossos dados preliminares.
This phrase is primarily used in formal, academic, legal, and philosophical contexts in both American English and Portuguese-speaking cultures. It reflects a shared emphasis on logic and evidence-based reasoning in Western intellectual traditions. In Brazil and Portugal, the term 'fundamento racional' is particularly prevalent in legal documents, academic papers, and formal discussions where rationality and logical justification are paramount.
Synonyms / Sinônimos
logical basisjustificationvalid reasonrational basissound reasonlogical foundation
Antonyms / Antônimos
irrational groundemotional basisarbitrary reasonunjustified claim

Regional Variations

General Brazilian Portuguese
fundamento racional
Standard formal usage in academic and legal contexts
Rio de Janeiro
fundamento racional
Same as general Brazilian; no significant regional variation
São Paulo
fundamento racional
Same as general Brazilian; commonly used in business and legal discourse
Portugal
fundamento racional
Identical to Brazilian Portuguese; standard usage in formal contexts

Related Words

rationalreasoningjustificationlogicrationalefoundationbasis

Related Idioms & Phrases

on rational grounds
without rational ground
have rational ground to believe
lack rational ground
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