We found 11 dictionaries that define the word rationalizer:

General (7 matching dictionaries)

1. rationalizer: Merriam-Webster
2. rationalizer: Oxford Learner's Dictionaries
3. rationalizer: Collins English Dictionary
4. rationalizer: Wordnik
5. rationalizer: Wiktionary
6. rationalizer: Dictionary.com
7. rationalizer: TheFreeDictionary.com

Business (1 matching dictionary)

8. rationalizer: Legal dictionary

Computing (1 matching dictionary)

9. rationalizer: Encyclopedia

Medicine (2 matching dictionaries)

10. rationalizer: Merriam-Webster Medical Dictionary
11. rationalizer: Medical dictionary

(Note: See rationalize as well.)

Definitions from Wiktionary (rationalizer) ▸ noun:  One who rationalizes. Similar: rationaliser, reasoner, simplificator, pragmatizer, ritualizer, intellectualizer, moralizer, practicalizer, systemizer, explanator, more... ▸ Words similar to rationalizer ▸ Usage examples for rationalizer ▸ Idioms related to rationalizer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rationalizer ▸ Words that often appear near rationalizer ▸ Rhymes of rationalizer ▸ Invented words related to rationalizer