American English

How to pronounce reason

noun · verbB1Very common word
REEzn

/ˈɹi.zn̩/

2 syllables · Stress the first syllable.

The cause of an event or situation, or an explanation for why it happens.

Practice out loud

Meanings & examples

noun

The cause of an event or situation, or an explanation for why it happens.

The main reason for the delay was bad weather.

What is the reason why you left early?

Common phrases & grammar

main reason · real reason · possible reason · reason behind + noun

the reason for + noun

the reason why + subject + verb

noun

A fact that makes an action or decision seem sensible or acceptable.

She had a good reason to cancel the trip.

Please give me a reason for your decision.

Common phrases & grammar

good reason · valid reason · no reason to worry · every reason to be proud

have a reason to + verb

give a reason for + noun

nounless common

The ability to think clearly, use logic, and make sensible judgments.

Fear can make it hard to use reason.

The speaker appealed to reason instead of anger.

Common phrases & grammar

human reason · use reason · reason and emotion

use + reason

appeal to + reason

verb

To think carefully and use facts and logic to reach a conclusion.

The students reasoned about the best solution.

We reasoned that the plan was too expensive.

Common phrases & grammar

reason logically · reason carefully · reason from evidence · reason through a problem

reason about + noun

reason that + subject + verb

Useful expressions

for this reason

because of this

The road was icy; for this reason, school closed.

for no reason

without a clear cause

The dog started barking for no reason.

reason to believe

good evidence that something is true

We have reason to believe the package arrived.

Related words & forms