When Fyodor Pavlovitch, who first came into contact with Grushenka over a piece of speculation, ended to his own surprise by falling madly in love with her, old Samsonov, gravely ill as he was, was immensely amused.
It was known, too, that the young person had, especially of late, been given to what is called "speculation," and that she had shown marked abilities in that direction, so that many people began to say that she was no better than a Jew.
There are no more uses of "speculate" in the book.
Show samples from other sources
philosophers have speculated on the question of God for thousands of years
We were speculating as to whether a president would have to resign after that kind of scandal.