He had entertained hopes of being admitted to a sight of the young ladies, of whose beauty he had heard much; but he saw only the father. The ladies were somewhat more fortunate, for they had the advantage of ascertaining from an upper window that he wore a blue coat, and rode a black horse.

I'm going to ascertain the truth of his statement.

The prince’s official London residence, Clarence House, issued a statement saying it was impossible to ascertain where he caught the virus, owing to the high number of engagements he carried out in his public role during recent weeks.

I am going to ascertain the truth of the matter.

It's difficult to ascertain the meaning of a hapax legomenon.

As I heard the story secondhand, I can't ascertain the truth of it.

We will first ascertain the cause of the disaster.

She ascertained that the novel was based on facts.

Ascertain whether they are safe or not.

Herod, seeing that he had been tricked by the wise men, was so enraged that he sent and killed all the boys who were in Bethlehem, and in all the region around it, two years old and under, according to the time which he had ascertained from the wise men.