[ rash-uh-nl-ahy-zey-shuhn, rash-nl- ]
/ ˌræʃ ə nl aɪˈzeɪ ʃən, ˌræʃ nl- /
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the act or process of ascribing one’s actions, opinions, etc., to causes that seem reasonable and valid but are actually unrelated to the true, possibly unconscious and often less complimentary ones:Those who torture prisoners believe, in their loftiest rationalizations, that they are committing their deeds for the good of the nation.
the act or process of making something conformable to reason or to the principle that reason is the highest authority for truth:In conceiving the world as a Newtonian universe governed by natural laws, Taylor provided the conceptual framework for the rationalization of the world in the 20th century.
Chiefly British. the act or process of reorganizing and integrating an industry, company, etc., to make it more efficient and profitable:The film studios were able to achieve such remarkable production figures through a rationalization of their working practices.
Mathematics. the act or process of eliminating radicals from an equation or expression:Rationalization will make calculation easier, as the denominator will now be an integer instead of a radical.
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Also especially British, ra·tion·al·i·sa·tion .

Origin of rationalization

OTHER WORDS FROM rationalization

non·ra·tion·al·i·za·tion; especially British, non·ra·tion·al·i·sa·tion, nouno·ver·ra·tion·al·i·za·tion; especially British, o·ver·ra·tion·al·i·sa·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use rationalization in a sentence