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GRE vocabulary

ascertain

verbCommon GRE wordMore A words

to find out or determine something with certainty

In a sentence

Ascertain in a sentence

Here is an example sentence showing ascertain in a sentence.

Investigators worked to ascertain the cause of the fire.

Synonyms
determineestablishdiscover
Antonyms
assumeguessspeculate
Common questions

Questions about “ascertain

Ascertain (verb) means to find out or determine something with certainty
Here is ascertain used in an example sentence: "Investigators worked to ascertain the cause of the fire."
Common synonyms for ascertain include determine, establish, discover.
Antonyms of ascertain include assume, guess, speculate.
Ascertain is a GRE-level vocabulary word worth knowing for the Verbal section.

Learn words the way the GRE tests them.

Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.