What does reasoning mean?
Reasoning is the process of thinking through an issue by connecting facts, observations, or premises with conclusions. It can refer either to this general mental activity or to a specific chain of argument, such as the reasoning behind a court decision or a policy. The word is commonly used in education, law, science, business, and public discussion, where careful analysis and justification are important. Reasoning may involve deduction, induction, comparison, inference, or the evaluation of evidence. It is usually understood as a disciplined and deliberate process, although “reasoning” can occasionally suggest a claim that appears logical without necessarily being correct. As a mass noun, it describes the activity or method rather than a single instance, so “reasoning” is more natural than “a reasoning” in most contexts. The word is useful because it distinguishes considered thought from unsupported assertion, intuition, or simple reaction.
nounThe process of thinking logically and carefully, using facts or premises to reach a conclusion. It can also refer to the arguments or explanation developed through this process.
- The process of using facts, evidence, or premises to reach a conclusion.
- A particular chain of logical thought or an explanation of why a conclusion was reached.
- The mental activity of thinking logically and analytically.
"Her reasoning led the team to reconsider the entire plan."
"The evidence challenged the witness's reasoning."
"The course develops students' reasoning and ability to assess competing arguments."
Reasoning is the bridge between an observation and a conclusion—and the ability to inspect that bridge is what separates a belief from a guess.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does reasoning come from?
The word “reasoning” was formed in English by adding the suffix “-ing” to “reason,” which comes through Old French “raison” from Latin “ratio,” a term associated with calculation, relationship, and cause. The suffix originally marked an activity or process, so “reasoning” developed as a name for the act of thinking through reasons and reaching conclusions. Related words include “rational,” “rationale,” and “ratio,” all of which preserve the sense of reason, calculation, or logical relationship.
Related word forms
How reasoning is actually used
Reasoning is generally uncountable, although “reasonings” can refer to distinct lines of argument in technical or formal contexts. In everyday use, the word often suggests careful, logical thought and may imply that a conclusion is well founded.
Easily confused with reasoning
Reasoning is the act or process of thinking through an issue, whereas a rationale is the explanation or set of reasons given for a particular decision or position.