Ascertain – To find out for certain
(Pronounced ass-er-tayn)
To remember the definition of the word ascertain, use the following mnemonic:
Ass in pain (ascertain) was the only way to find out what happened.
Examples of ascertain in a sentence
He could not ascertain the truth.
He told the story in such a strange way that it was difficult to ascertain his exact message.
Since I’m not a very good liar, most people usually find it easy to ascertain when I’m being dishonest.