Thesaurus.com
Dictionary.com
Showing results for ascertain. Search instead for ascertain/6.
Definitions

ascertain

[as-er-teyn] / ˌæs ərˈteɪn /


Usage

What are other ways to say ascertain?

To ascertain is to verify facts by inquiry or analysis: to ascertain the truth about an event. To learn is to add to one's knowledge or information: to learn a language. The verb discover is used with objective clauses as a synonym of learn in order to suggest that the new information acquired is surprising to the learner: I discovered that she had been married before. To detect implies becoming aware of something that had been obscure, secret, or concealed: to detect a flaw in reasoning


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.

Officials said they are also in communication with authorities to ascertain the cause of death, obtain the complete medical record and review the circumstances surrounding the death.

From Los Angeles Times • Mar. 30, 2026

AFP and SourceMaterial used trade data, including some supplied by T&E, shareholder agreements, and customs documents obtained through freedom of information requests to ascertain the identities of three of those arrested.

From Barron's • Mar. 16, 2026

Investors are becoming increasingly nervous about problems mounting in the $3 trillion private credit market where some creditworthiness is deteriorating in some sectors and truthful valuations are hard to ascertain.

From The Wall Street Journal • Mar. 12, 2026

Instead, the duty of a judge is to ascertain “what Congress wanted, as best we can ascertain its intent.”

From Slate • Mar. 4, 2026

She was unable, after prolonged and insidious interrogations, to ascertain the causes of Amaranta’s prostration.

From "One Hundred Years of Solitude" by Gabriel Garcia Marquez