We found 15 dictionaries that define the word reflectiveness:

General (11 matching dictionaries)

1. reflectiveness: Merriam-Webster
2. reflectiveness: Oxford Learner's Dictionaries
3. reflectiveness: Collins English Dictionary
4. reflectiveness: Vocabulary.com
5. reflectiveness: Wordnik
6. reflectiveness: Wiktionary
7. reflectiveness: Dictionary.com
8. Reflectiveness: Wikipedia, the Free Encyclopedia
9. reflectiveness: FreeDictionary.org
10. reflectiveness: Mnemonic Dictionary
11. reflectiveness: TheFreeDictionary.com

Business (1 matching dictionary)

12. reflectiveness: Legal dictionary

Computing (1 matching dictionary)

13. reflectiveness: Encyclopedia

Medicine (2 matching dictionaries)

14. reflectiveness: Merriam-Webster Medical Dictionary
15. reflectiveness: Medical dictionary

(Note: See reflective as well.)

Definitions from Wiktionary (reflectiveness) ▸ noun:  The state or property of being reflective. Similar: reflectivity, reflectability, reflectibility, reflectedness, reflexiveness, retroreflectivity, irreflectiveness, echoreflectivity, thermoreflectivity, refractiveness, more... Opposite: impulsiveness, thoughtlessness, recklessness ▸ Words similar to reflectiveness ▸ Usage examples for reflectiveness ▸ Idioms related to reflectiveness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing reflectiveness ▸ Words that often appear near reflectiveness ▸ Rhymes of reflectiveness ▸ Invented words related to reflectiveness