Answer: rationalises

AnswerCrossword Clue
rationalisesConvert (a function or expression) to a rational form
rationalisesMake (a company, process, or industry) more efficient by reorganizing it in such a way as to dispense with unnecessary personnel or equipment
rationalisesRATIONALISE, to make rational
rationalisesAttempt to explain or justify (one's own or another's behavior or attitude) with logical, plausible reasons, even if these are not true or appropriate