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English definition of “rationalize”

rationalize

verb uk (UK usually rationalise)   /ˈræʃ.ən.əl.aɪz/ us  

rationalize verb (EXPLAIN)

[T] to try to find reasons to explain your behaviour, decisions, etc.: She rationalized the expense by saying that the costly carpet she had bought would last longer than a cheaper one.

rationalize verb (CHANGE)

[I or T] to make a company, way of working, etc. more effective, usually by combining or stopping particular activities, or (of a company, way of working, etc.) to become more effective in this way: We rationalized the production system so that one operator could control all three machines. The recession is forcing the company to rationalize.
rationalization
noun [C or U] uk (UK usually rationalisation)   /ˌræʃ.ən.əl.aɪˈzeɪ.ʃən/ us    /-əˈ-/
(Definition of rationalize from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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