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 model was discussed less like a chatbot and more like a working engine for long software jobs, deep research, code migrations and multi-step reasoning. — Ron Schmelzer, Forbes.com, 29 June 2026

The system preserves the reasoning alongside the outcome. — Maria Colacurcio, Fortune, 28 June 2026

García is direct about the reasoning. — Naman Ramachandran, Variety, 28 June 2026

Sol also introduces a new maximum reasoning mode that gives the model more time to solve complex tasks. — Neetika Walter, Interesting Engineering, 26 June 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