reason(redirected from theirs not to reason why)
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1. Philosophy the intellect regarded as a source of knowledge, as contrasted with experience
2. Logic grounds for a belief; a premise of an argument supporting that belief
3. reasons of State political justifications for an immoral act
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
reasonthe capacity of the human mind to make logical inferences, undertake rational arguments, understand the world, solve problems. What the nature, social determinants and limits of this capacity are, however, is much debated. See RATIONALISM IDEALISM, EMPIRICISM, ONTOLOGY; see also PRACTICAL REASONING.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000