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Definition of rationalize
verb [with object]
1attempt to explain or justify (behaviour or an attitude) with logical reasons, even if these are not appropriate:she couldn’t rationalize her urge to return to the cottage 2British make (a company, process, or industry) more efficient, especially by dispensing with superfluous personnel or equipment:if we rationalize production, will that mean redundancies? reorganize (a process or system) so as to make it more logical and consistent:Parliament should seek to rationalize the country’s court structure 3 Mathematics convert (a function or expression) to a rational form.