Looking at him carefully and ascertaining that he was not asleep, she set the candle on the table and began to lay out what she had brought—bread, salt, a plate, a spoon.
That was sufficient to enable me to ascertain that she is in a position—preternatural, if one may so express it.
Was it worth while to investigate, to ascertain the facts, to waste time over anyone like Svidrigailov?
She never asked a direct question, but began by smiling and rubbing her hands and then, if she were obliged to ascertain something—for instance, when Svidrigailov would like to have the wedding—she would begin by interested and almost eager questions about Paris and the court life there, and only by degrees brought the conversation round to Third Street.
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