He went up to him, took his hand (a thing he never used to do), and drew it downwards as if wishing to ascertain whether it was firmly fixed on.
Valuev was confidentially telling that Uvarov had been sent from Petersburg to ascertain what Moscow was thinking about Austerlitz.
Prince Andrew apparently knew this as well as Tikhon; he looked at his watch as if to ascertain whether his father’s habits had changed since he was at home last, and, having assured himself that they had not, he turned to his wife.
She was expecting Prince Andrew any moment and twice that day sent a manservant to the Vozdvizhenka to ascertain whether he had come.
Berthier approached and suggested that they should ride along the line to ascertain the position of affairs.
What theory and science is possible about a matter the conditions and circumstances of which are unknown and cannot be defined, especially when the strength of the acting forces cannot be ascertained?
Owing to the rapidity of the French flight and the Russian pursuit and the consequent exhaustion of the horses, the chief means of approximately ascertaining the enemy’s position—by cavalry scouting—was not available.
There are no more uses of "ascertain" in the book.
Show samples from other sources
A committee was formed to ascertain the level of public support for a new bike path.
The slaveholders have been known to send in spies among their slaves, to ascertain their views and feelings in regard to their condition.
Douglass, Frederick -- Narrative of the Life of Frederick Douglass An American Slave