reasoning

noun

rea·​son·​ing ˈrēz-niŋ 

ˈrē-zᵊn-iŋ

1

: the use of reason

especially : the drawing of inferences or conclusions through the use of reason

2

: an instance of the use of reason : argument

Synonyms of reasoning

• logic
• reason

Examples of reasoning in a Sentence

Could you explain your reasoning?

They told everyone the reasoning behind the decision.

a conclusion based on fallacious reasoning

Humans possess the power of reasoning.

Recent Examples on the Web

The program required students to take courses in quantitative reasoning, cultural diversity and global cultures. —Lily Kepner, Austin American Statesman, 24 Feb. 2026

In an interview with People in 2024, Flavor Flav shared his reasoning for showcasing women in sports. —Hanna Wickes, Kansas City Star, 24 Feb. 2026

The campaigns allegedly focused on areas that Anthropic considers key differentiators for Claude, including complex reasoning, coding assistance, and tool use. —Nick Lichtenberg, Fortune, 24 Feb. 2026

The majority’s reasoning alone makes the tariff case extraordinarily important. —David French, Mercury News, 24 Feb. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing reasoning

• line of reasoning

Rhymes for reasoning

• seasoning

Kids Definition

reasoning

noun

rea·​son·​ing

1

: the use of reason

2

: the reasons used in and the proofs that result from thought : argument