We found 18 dictionaries that define the word rationalise:

General (13 matching dictionaries)

1. rationalise: Merriam-Webster
2. rationalise: Collins English Dictionary
3. rationalise: Vocabulary.com
4. Rationalise, rationalise: Wordnik
5. rationalise: Cambridge Advanced Learner's Dictionary
6. rationalise: Wiktionary
7. rationalise: Dictionary.com
8. Rationalise: Wikipedia, the Free Encyclopedia
9. rationalise: Rhymezone
10. rationalise: FreeDictionary.org
11. rationalise: Mnemonic Dictionary
12. rationalise: TheFreeDictionary.com

Business (2 matching dictionaries)

13. rationalise: Legal dictionary
14. rationalise: Financial dictionary

Computing (1 matching dictionary)

15. rationalise: Encyclopedia

Medicine (2 matching dictionaries)

16. rationalise: Merriam-Webster Medical Dictionary
17. rationalise: Medical dictionary

(Note: See rationalises as well.)

Definitions from Wiktionary ( ) ▸ verb:  Non-Oxford British English standard spelling of rationalize. [To make something rational or more rational.] Similar: rationalising, rationalize, rationalisation, externalise, intellectualise, standardise, centralise, contextualise, institutionalise, systematise, more... Opposite: irrationalise, irrationalize Types: excuse, justify, explain away, minimise, deny, more... Phrases: rationalise away, more... ▸ Words similar to rationalise ▸ Usage examples for rationalise ▸ Idioms related to rationalise ▸ Wikipedia articles (New!) ▸ Words that often appear near rationalise ▸ Rhymes of rationalise ▸ Invented words related to rationalise