We found 34 dictionaries that define the word rationality:

General (24 matching dictionaries)

1. rationality: Merriam-Webster
2. rationality: Oxford Learner's Dictionaries
3. rationality: American Heritage Dictionary of the English Language
4. rationality: Collins English Dictionary
5. rationality: Vocabulary.com
6. Rationality, rationality: Wordnik
7. rationality: Cambridge Advanced Learner's Dictionary
8. rationality: Wiktionary
9. rationality: Webster's New World College Dictionary, 4th Ed.
10. rationality: The Wordsmyth English Dictionary-Thesaurus
11. rationality: Infoplease Dictionary
12. rationality: Dictionary.com
13. rationality: Cambridge Essential American English Dictionary
14. Rationality: Wikipedia, the Free Encyclopedia
15. Rationality: Online Plain Text English Dictionary
16. rationality: Webster's Revised Unabridged, 1913 Edition
17. rationality: Rhymezone
18. Rationality: AllWords.com Multi-Lingual Dictionary
19. rationality: Webster's 1828 Dictionary
20. rationality: FreeDictionary.org
21. rationality: Mnemonic Dictionary
22. rationality: TheFreeDictionary.com

Business (4 matching dictionaries)

23. rationality: Merriam-Webster Legal Dictionary
24. Rationality: bizterms.net
25. rationality: Legal dictionary
26. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

27. rationality: Encyclopedia

Medicine (2 matching dictionaries)

28. rationality: Merriam-Webster Medical Dictionary
29. rationality: Medical dictionary

Miscellaneous (1 matching dictionary)

30. A Brief Critical Dictionary of Education (No longer online)

Science (1 matching dictionary)

31. Game Theory Dictionary (No longer online)

Slang (1 matching dictionary)

32. rationality: Urban Dictionary

(Note: See rationalities as well.)

Definitions from Wiktionary (rationality) ▸ noun:  The quality or state of being rational; due exercise of reason; reasonableness. ▸ noun:  Objective consideration. Similar: rationalness, reasonableness, reason, rationalizability, unreason, arationality, irrationality, irrationalness, unreasoningness, unrationality, more... Opposite: irrationality, emotionality, impulsiveness, unreasonableness, illogicality Types: bounded rationality, moral rationality, more... Phrases: Bounded rationality, instrumental rationality, perfect rationality, Harry Potter and the Methods of Rationality, Instrumental and value rationality, more... Adjectives: economic, instrumental, human, scientific, technical, formal, practical, individual, communicative, substantive, political Colors:     blue,     gray,     silver,     white,     teal, more... ▸ Words similar to rationality ▸ Usage examples for rationality ▸ Idioms related to rationality ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rationality ▸ Words that often appear near rationality ▸ Rhymes of rationality ▸ Invented words related to rationality