reason - Master This Word

reason Word Meanings

• the mental process of thinking logically
• a justification for an action or belief
• the capacity to think, understand, and form judgments logically

reason Example Sentences

Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.

• I have a good reason to be happy.
• She asked me the reason for my choice.
• The reason he is late is the traffic.
• Can you give me a reason to smile?
• I don’t understand the reason for the confusion.

reason Word Etymology

reason = re- (back) + son (to know). Origin: Latin → Old French → English. To remember it, visualize yourself tracing back a conversation to find the reason behind an argument, like piecing together a puzzle.

English Brain Route

I place my elbow on the desk, move my gaze along the page, and push a knot of doubt into the light. I shift my attention, adjust my pace, and decide what to keep and what to set aside. As I turn one possibility over, the idea begins to change shape and the path becomes clearer. The effort of guiding my thoughts feels like a small engine turning on, and I sense the moment when a choice becomes reasonable.

Real Context

Reason is the mind's capacity to think clearly, weigh evidence, and draw conclusions. It covers both the mental act of thinking and the justification we offer for our actions or beliefs. In everyday use, we speak of a 'sound reason' for doing something or of finding the 'reason behind' a decision by tracing a sequence of thoughts. The word also appears in more abstract discussions of rationality and logic, contrasting what we do because it seems right with impulse or habit. Its etymology points to back-knowledge and understanding, reminding learners that reason involves connecting ideas and validating them with evidence.

Usage Reminders

• - Reason = mental process (thinking) OR justification for an action.
• - Distinguish reason from cause and from purpose.
• - Use 'sound reason' or 'good reason' to praise a decision.
• - Say 'for a reason' or 'for no reason' to describe justification or its absence.
• - Remember the verb 'to reason' and related forms like 'reasoning' vs 'reasonable'.

Common Misconceptions

• Reason is just an explanation; it also covers the mental act of thinking logically.
• Reason and cause are the same when talking about events in the world.
• The phrase 'the reason is because' is always correct.
• Reason cannot describe a feeling or intuition without evidence.
• Reason always leads to a single, final answer.

Thinking Differences

In English, reason often marks a justification separate from mere facts or causes. Learners may over-focus on 'the cause' when they should emphasize 'the rationale' behind a choice. English frequently collocates with 'sound' or 'good' reason, and uses phrases like 'for a reason' or 'for no reason' to indicate justification or its absence. Students must watch for differences between 'reason' (the mental process) and 'reasoning' (the activity) and avoid translating directly into languages where the distinction is less marked.

Learning Tips

• Learn common collocations: sound reason, good reason, reasonable explanation.
• Distinguish reason from cause and from purpose in both writing and speaking.
• Practice 'for a reason' vs 'for no reason' in everyday sentences.
• Use 'to reason' to describe the act of logical thinking.
• Keep a mini glossary of 'reason', 'reasoning', and 'rationale'.
• Read or listen for examples where a person explains decisions with evidence.

5-Step Learning Method - Learn English in English

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