rationalize

/ˈræʃənəˌlaɪz/

Say it: RASH-uh-nuh-lyze

1. verb To invent a plausible but false reason for an action or belief, especially to justify something that is otherwise difficult to accept.
He tried to rationalize his cheating by saying everyone else was doing it.
2. verb To reorganize a company or system to make it more efficient and profitable, often by closing branches or reducing staff.
The new CEO's first move was to rationalize the company's sprawling supply chain.
3. verb In mathematics, to remove a radical (like a square root) from the denominator of a fraction without changing the fraction's value.
To solve the problem, you first need to rationalize the denominator of the expression.

📖 Seen in the wild

He tried to rationalize his decision to quit his job by claiming he needed more creative freedom.
collected by @vocablast

✏️ rationalize in a sentence

She couldn't rationalize buying such an expensive car when she was trying to save money.
The government attempted to rationalize the new tax as a necessary measure for national security.
In the face of mounting losses, the corporation was forced to rationalize its operations, leading to widespread layoffs.
It's a common human tendency to rationalize our own mistakes while judging others harshly for theirs.
He rationalized his poor performance by blaming his outdated equipment.
The book explores how people rationalize harmful beliefs to maintain their worldview.

🔁 Synonyms & antonyms

justify explain away make excuses for vindicate defend account for legitimize

justify · suggests providing a legitimate reason, whereas rationalize implies a self-serving or false one.

explain away · emphasizes dismissing or minimizing a fault rather than just excusing it.

make excuses for · is more informal and directly suggests finding reasons to forgive a fault.

vindicate · implies proving something is right, often after it has been criticized.

Opposites: accept, admit, acknowledge, face, confess

🌱 Where it comes from

The word comes from the Latin 'rationalis', meaning 'endowed with reason'. It first appeared in English in the 17th century meaning 'to make logical'. The modern psychological sense, implying self-justification for questionable acts, became popular in the early 20th century with the rise of psychoanalysis.

🧩 How it's used

Common patterns:

rationalize a decisionrationalize behaviortry to rationalizerationalize away guiltrationalize spending

'Rationalize' carries a negative connotation in its most common sense, implying self-deception or the creation of a weak excuse. It's different from 'explain', which simply provides reasons, or 'justify', which can imply a valid defense. The business sense of 'rationalize' is more neutral but is often a euphemism for downsizing or firing employees.

Word family: rationalization, rational, rationale, rationalist

💬 Quick answers

What does it mean to rationalize something?

It means to create a plausible but often untrue reason to justify your own behavior or beliefs, especially when you know they are wrong or questionable.

What's the difference between 'rationalize' and 'justify'?

'Justify' means to show that something is right or reasonable. 'Rationalize' implies inventing a self-serving excuse for something that is likely wrong, suggesting self-deception.

Is 'rationalize' a negative word?

Yes, in its most common psychological sense, it has a negative connotation. It suggests someone is making excuses or deceiving themselves rather than facing the truth.

What does it mean to rationalize a company?

In a business context, it means to reorganize a company to improve its efficiency, which often involves cutting costs, closing locations, or reducing the number of employees.

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