You might ask your brother, "Is it okay if I borrow your car? Or if someone asks you to do something, you might say,Okay,I will. Still,language experts do not agree about where the word came from.

VOA: special.2010.02.28

You must have let your phone dieor something. I'm not in Forks, but everything's okay,and I'll explain it later.

VOA: standard.other

Okay, well, let's say for argument's sakethat I'm not smart.

VOA: standard.other