What is the term for something based on or in accordance with reason or logic?

The term that describes something based on or in accordance with reason or logic is "rational." This concept encompasses the ability to think clearly, sensibly, and logically, and is often used in contexts involving sound judgment and decision-making processes. Rational thinking prioritizes clear reasoning and the ability to draw logical conclusions based on available information, which is essential in various fields, including law enforcement, where making informed decisions is crucial.

While the other choices also imply a connection to reason or sound thinking, "logical" specifically pertains to formal structures of reasoning, often dealing with deductive reasoning and principles such as the laws of logic. "Reasonable" suggests a practical aspect of being fair or sensible but might lack the formal connotation of strict logical coherence. "Pragmatic" refers to a practical approach that considers the impact of actions based on practicalities rather than theoretical or abstract principles. Therefore, "rational" is the most precise term for something grounded in logic and reason.