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Definitions

reason

[ree-zuhn] / ˈri zən /
NOUN
mental analysis
Synonyms
STRONGEST
logic reasoning sense
STRONG
acumen apprehension argumentation bounds brain brains comprehension deduction dialectics discernment generalization induction inference intellect intellection judgment limits lucidity marbles mentality mind moderation propriety ratiocination rationalism rationality rationalization reasonableness saneness sanity senses sensibleness soundness speculation understanding wisdom wit
WEAK
sound mind
Antonyms
STRONG
body disbelief ignorance misinterpretation mistake misunderstanding physicality stupidity unsoundness
NOUN
intention, aim
Synonyms
STRONGEST
argument basis cause consideration goal idea impetus incentive motivation motive proof purpose rationale
STRONG
antecedent design determinant end grounds inducement object occasion root spring target warrant wherefore why
WEAK
ulterior motive why and wherefore whyfor
Antonyms
STRONGEST
block discouragement hindrance
NOUN
explanation for an action
Synonyms
STRONGEST
argument case excuse idea justification proof rationale
STRONG
account apologia apology cover defense exposition ground notion rationalization vindication wherefore why
WEAK
song and dance sour grapes the whole idea whatfor why and wherefore whyfor
Antonyms
STRONG
charge indictment
VERB
mentally analyze
Synonyms
STRONGEST
figure out infer speculate
STRONG
adduce cerebrate cogitate conclude contemplate decide deduce deduct deliberate examine gather generalize philosophize ratiocinate rationalize reflect resolve solve study suppose syllogize think
WEAK
draw conclusion draw from make out think through thresh out work out
Antonyms
STRONG
disbelieve disregard forget ignore neglect question wonder
WEAK
agree go along
VERB
argue, persuade
Synonyms
STRONG
contend debate demonstrate discourse discuss dispute dissuade establish expostulate justify move prove remonstrate urge
WEAK
bring around point out prevail upon show error of ways talk into talk out of win over
Antonyms
STRONG
agree be quiet confuse discourage disprove dissuade give in go along

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One reason we bicycle for a few hours most days is to break from unhealthful routines of mind and body.

From The Wall Street Journal • Apr. 12, 2026

Could it be that the reason I’ve fallen so far down this particular rabbit hole already is that I’m gay?

From Salon • Apr. 12, 2026

She was a more experienced writer who had no obvious reason to take an interest in someone who’d decided, against the advice of his high school English teacher, to do the same.

From Slate • Apr. 12, 2026

Party strategist Caroline Welles, who works to elect first-time Democratic women to state legislatures, said the 13-point swing from 2024 margins across special elections is "reason for us to feel bullish."

From Barron's • Apr. 12, 2026

And that was the reason the two of us were here.

From "The Hiding Place" by Corrie ten Boom

Vocabulary lists containing reason

Argumentative Writing

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Think Tank: Thought-Provoking Vocabulary

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Argumentative Writing, List 2

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