rationalize.
To make something rational or more rational.
Meaning & usage
To make something rational or more rational.
To justify a discreditable act, or irrational behaviour.
To remove radicals, without changing the value of an expression or the roots of an equation.
To structure something along modern, efficient and systematic lines, or according to scientific principles. This often includes eliminating duplication and grouping like or similar items.
Where this word comes from
From French rationaliser. By surface analysis, rational + -ize.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.