We found 19 dictionaries that define the word attentional:

General (11 matching dictionaries)

1. attentional: Merriam-Webster
2. attentional: Oxford Learner's Dictionaries
3. attentional: Collins English Dictionary
4. attentional: Vocabulary.com
5. Attentional, attentional: Wordnik
6. attentional: Wiktionary
7. attentional: Dictionary.com
8. attentional: Rhymezone
9. attentional: FreeDictionary.org
10. attentional: Mnemonic Dictionary
11. attentional: TheFreeDictionary.com

Business (1 matching dictionary)

12. attentional: Legal dictionary

Computing (1 matching dictionary)

13. attentional: Encyclopedia

Medicine (4 matching dictionaries)

14. attentional: Merriam-Webster Medical Dictionary
15. Attentional: MedTerms.com Medical Dictionary
16. attentional: Medical dictionary
17. Attentional: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)

18. attentional: Idioms

Slang (1 matching dictionary)

19. attentional: Urban Dictionary

(Note: See attention as well.)

Definitions from Wiktionary (attentional) ▸ adjective:  Of or pertaining to attention. Similar: ententional, addressive, postattentive, inattentional, focusing, attuitional, oculary, orientational, attitudinal, attributional, more... Opposite: distracted, inattentive, unfocused, absent-minded Types: selective, divided, focused, distracted, selective attention, divided attention, focused attention, more... Phrases: Attentional blink, Attentional control, Attentional bias, attentional focus, more... Adjectives: greater, early, cognitive, significant, limited, severe, basic, infant, simple, complex, serious Colors:     yellow,     red,     orange,     bright green,     electric blue, more... ▸ Words similar to attentional ▸ Usage examples for attentional ▸ Idioms related to attentional ▸ Wikipedia articles (New!) ▸ Popular nouns described by attentional ▸ Words that often appear near attentional ▸ Rhymes of attentional ▸ Invented words related to attentional