Rational Meaning

UK /ˈræʃənl/
US /ˈræʃənl/
Word Definition
rational meaning

Rational Definition & Usage

adjective

Based on or in accordance with reason or logic.

Examples

  • "Her decision to invest in the stock market was entirely rational, based on extensive research."
  • "It’s important to approach problems with a rational mindset, looking at facts and data."
  • "After hearing all the arguments, he made a rational choice to go with the safer option."
  • "Their response was rational and well thought out, considering both sides of the issue."
  • "Despite the emotional appeal, his answer was rational and focused solely on the facts."
adjective

Representing a number as the ratio of two integers (i.e., a fraction).

Examples

  • "One-half is a rational number because it can be expressed as a ratio of two integers."
  • "The fraction 3/4 is a rational number, whereas the square root of 2 is not."
  • "In mathematics, rational numbers are those that can be written as a fraction."
  • "She asked whether 0.75 was a rational number, and the teacher confirmed it was."
  • "Rational numbers include integers, fractions, and finite decimals."

Cultural Context

The word 'rational' comes from the Latin 'rationalis', meaning 'of or belonging to reason'. It is widely used in various fields, including philosophy, mathematics, and everyday speech. Rational thinking is often seen as a key component of scientific inquiry, decision-making, and problem-solving.

The Rational Choice

Story

The Rational Choice

David had always prided himself on his ability to make decisions based on logic. It wasn’t that he didn’t understand emotions or the value of feelings, but he believed that the key to success lay in rational thinking. One afternoon, his team was faced with a tough decision: should they invest in a new project that promised high returns but carried significant risks, or stick with the safer path they had been following? David knew his colleagues were divided. Some argued that taking the risk was the only way to stay ahead, while others favored the security of their current position. In the end, David gathered the data—cost projections, market trends, and possible outcomes—and presented a detailed analysis. He avoided emotional appeals, focusing purely on the logical elements that could guide their decision. 'Rational thinking,' he explained, 'demands we consider all the facts, not just our hopes or fears.' The team voted in favor of the safe option, a choice David had rationalized with his careful evaluation of the facts. Though they didn’t take the high-risk project, David was content with their decision. It was, after all, the rational choice. As he sat back, reviewing the numbers once again, David’s mind wandered to a similar decision he had made years earlier in college. He had been faced with choosing between a career in finance, which promised a high salary but little personal fulfillment, and pursuing a career in teaching, which was less financially rewarding but aligned with his passion. Once again, he had used reason over emotion, carefully weighing the long-term effects of each choice. Rationality, he thought, had served him well. Though rational decisions don’t always lead to the most exciting outcomes, David was convinced that they were often the most effective. His colleagues might find their passion in other areas, but for him, rational thought would always be the guide.

The Rational Choice