rationalisation

noun

1. (UK, alt-of, countable, nonstandard, uncountable)Non-Oxford British English standard spelling of rationalization.

   “The conscious mind refuses to admit any failure to perceive, and puts in its place a series of rationalisations which are fabrications and distortions of the real nature of things.”

   “My trip along the rest of the line is delightful. It's yet another route that has recovered from previous rationalisation by having tracks and platforms reinstated in recent years.”