rationalise

Definitions

To attempt to explain or justify behavior or an attitude with logical reasons, even if these are not appropriate.

To reorganize a process or system so as to make it more logical and efficient.

To remove irrational elements from a mathematical expression or equation.

Examples

He tried to rationalise his decision to quit the job by focusing on the long commute.

It is difficult to rationalise such a sudden change in company policy without further explanation.

Synonyms

justify explain away excuse vindicate reason account for defend

Antonyms

confuse mystify obscure complicate refute contradict disprove