When Halloween came, I assumed that the whole family would be present to watch me perform, but I was disappointed.
Mr. Radley walked to town at eleven-thirty every morning and came back promptly at twelve, sometimes carrying a brown paper bag that the neighborhood assumed contained the family groceries.
I could see nothing in Mayella’s expression to justify Atticus’s assumption that he had secured her wholehearted cooperation.
What Jem did was something I’d do as a matter of course had I not been under Atticus’s interdict, which I assumed included not fighting horrible old ladies.
I felt a slight pressure on my head, and assumed that Jem had grabbed that end of the ham.
Atticus and Jem were well ahead of us, and I assumed that Atticus was giving him hell for not going home, but I was wrong.
—the evil assumption that all Negroes lie,
The witnesses for the state, with the exception of the sheriff of Maycomb County, have presented themselves to you gentlemen, to this court, in the cynical confidence that their testimony would not be doubted, confident that you gentlemen would go along with them on the assumption—the evil assumption that all Negroes lie, that all Negroes are basically immoral beings, that all Negro men are not to be trusted around our women, an assumption one associates with minds of their caliber.
There are no more uses of "assume" identified with this meaning in the book.
Show samples from other sources
I assume she was at school today, but I don’t remember actually seeing her.
Let’s assume that 80% of the people who said they will come to the party will actually show up.