ascertaining

VERB

make sure

Synonyms

STRONGEST

confirm determine divine double-check find out verify

STRONG

check dig discover establish eye eyeball fix identify learn peg read see settle size tell

WEAK

catch on check out check up on get down cold get down pat get hold of get it down get the hang of learn the ropes look-see make certain make sure pick up pick up on size up

Antonyms

STRONGEST

disprove invalidate

STRONG

aid assist confuse destroy help ignore look away miss misunderstand neglect overlook unsettle

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The export control amounts to a de facto ban on the model since Anthropic has no way of ascertaining the nationality of its users.

From The Wall Street Journal • Jun. 16, 2026

And if you’re brave enough to step deeper into the lot, yet clearly not confident in ascertaining a Golden Pothos from a Pothos N’Joy, a woman with a warm smile will approach you kindly.

From Los Angeles Times • Mar. 13, 2025

The 1967 Public Health Act already allows for officers to enter "any premises' at all" for the purpose of "ascertaining whether there is, or has been" any breach of the rules.

From BBC • Oct. 10, 2024

"Studying isolated enzymes is a powerful tool for ascertaining their activity and drawing conclusions about their functional role inside the plant cell," Hart explained.

From Science Daily • Apr. 24, 2024

“Miss Miggery, my dear, I do not want to appear too forward so early in our acquaintance, but may I inquire, am I right in ascertaining that you have aspirations?”

From "The Tale of Despereaux: Being the Story of a Mouse, a Princess, Some Soup and a Spool of Thread" by Kate DiCamillo