Rationality is the quality of being guided by or based on reason. In this regard, a person acts rationally if they have a good reason for what they do, or a belief is rational if it is based on strong evidence.

Rationality is the use of knowledge to attain goals, according to Steven Pinker. In this article written for Encyclopædia Britannica, Pinker explains why it’s important to understand how humans reason and …

The meaning of RATIONALITY is the quality or state of being rational.

RATIONALITY meaning: 1. the quality of being based on clear thought and reason, or of making decisions based on clear…. Learn more.

RATIONALITY definition: the state or quality of being rational. See examples of rationality used in a sentence.

Definition of rationality noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

rationality (ˌræʃəˈnælɪtɪ) n, pl -ties 1. the state or quality of being rational or logical 2. the possession or utilization of reason or logic

Dec 20, 2025 · Noun rationality (usually uncountable, plural rationalities) The quality or state of being rational; due exercise of reason; reasonableness.

There are six meanings listed in OED's entry for the noun rationality, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Jan 24, 2024 · What is rationality? Rationality can be divided into two aspects: epistemic rationality and instrumental rationality. Epistemic rationality is the capacity and propensity to form accurate beliefs …