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Definition of ascertainable
ascertainable
/ˌæs.ɚˈteɪ.nə.bəl/
as · cer · tain · a · ble
Adverb:ascertainably
ascertainable Lexical Profile
CEFR
C1
Grade
12
Tier
2
Usage
Rare
Syllables
5
ascertainable Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Capable of being found out, determined, or verified with certainty.
Example
"The exact date of the manuscript's creation is not easily ascertainable from the surviving records."
Synonyms
View all synonyms for ascertainable Antonyms
View all antonyms for ascertainable• Rhymes for ascertainable
Word Origin & Etymology
Formed in English from the verb 'ascertain' and the suffix '-able'. 'Ascertain' derives from Old French 'acertener' (to make sure), from 'a-' (to) + 'certain' (from Latin 'certus', meaning settled or sure).
Cite this Entry
Wordmom. (2026). Definition of Ascertainable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ascertainable