Obligate - Something you have to do because someone made you swear on a

Something you have to do because someone made you swear on a Bible or a pizza box that you’d do it.

I had to clean my room because I swore on a pizza box that I would.

I promised my mom I’d do my math homework, and now I can’t back out.

I had to eat a whole bowl of cereal for breakfast because I swore on a Bible.