rationality - Master This Word
Master this word with our 5-step learning method – Learn English in English
rationality Word Meanings
- the quality of being based on reason or logic
- the ability to think sensibly and logically
- a state of having clear, sound judgment
rationality Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
rationality Phonetic & Pronunciation
UK
/ˌræʃ.əˈnæl.ɪ.ti/
US
/ˌræʃ.əˈnæl.ɪ.ti/
rationality Word Etymology
rationality = rational + -ity. Originated from Latin 'rationalis' → Old French 'rational' → English. Imagine someone using a calculator to make decisions, symbolizing clear and logical thinking.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Rationality is the quality of thinking that relies on reason, evidence, and logical rules rather than mood or impulse. In everyday use, it covers clear judgment, the ability to weigh pros and cons, and to distinguish sound conclusions from biases. The word can refer to a general state of logical thinking, or to the capacity someone has to be rational in a difficult situation. Etymologically, it comes from Latin rationalis, via Old French rational and into English. In practice, 'rationality' often contrasts with 'irrationality' and with emotional decision making, and it is frequently discussed in debates about behavioral economics, science, and philosophy.
Usage Reminders
- Know that rationality is about reason, not emotion
- Avoid using 'rational' to describe people in a harsh way
- Pair with 'evidence' or 'logic' for stronger phrases
- Contrast with irrationality to highlight differences
- Use in academic contexts, economics, and philosophy
- Be careful not to imply coldness as a necessary part of rational thinking
Common Misconceptions
- Rationality equals high intelligence
- Rationality means never feeling emotions
- Rationality always leads to the best outcome
- Rationality is only for scientists or philosophers
- Being rational means being cold or uncaring
Thinking Differences
Explain to an English speaker: English speakers often treat 'rationality' as a broad, abstract quality tied to evidence and logic, but many other languages require stricter distinctions between '理性/razionalità' and everyday practicality or moral judgment. Learners sometimes overextend 'rationality' to mean coldness or always correct outcomes, which is not true.
Learning Tips
- Learn common collocations (rationality in decision-making)
- Differentiate rationality from rational/adjective forms
- Study contrasts with irrationality and emotion
- Read about rationality in science, economics, philosophy
- Practice forming sentences about judgments and evidence
- Listen for context: formal essays vs spoken language
5-Step Learning Method - Learn English in English
Step 1: Meaning
What does 'rationality' mean?
A.Fast
B.Strength
C.Ability to make sound judgments
D.Delicious
Step 2: Usage
Which sentence uses 'rationality' correctly?
A.She danced with rationality at the party.
B.The rationality of her decisions impressed everyone.
C.His rationality was contagious.
D.Let's go to the rationality.
Step 3: Similar Words
Choose the synonym of 'rationality':
A.Confusion
B.Irrationality
C.Logic
D.Emotionality
Step 4: Opposite Words
In which scenario would 'rationality' be important?
A.Solving a math problem
B.Deciding what to wear to a party
C.Choosing ice cream flavors
D.Listening to music
Step 5: Mastery
How would you explain 'rationality' to a friend?
A.Telling someone what to do
B.Following your emotions
C.Making logical decisions based on reason
D.Need for speed
Related Listening
🔥 Advanced
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