To cut away or remove unnecessary parts
(Intransitive) To express regret that a certain event has occurred.
To allow to leave.
To prove; to ratify; to confirm.
Find another word for rationalise. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for rationalise, like: cut, prune, rationalize, apologize, excuse, justify, reorganise, restructure, streamline, reorganising and formalise.