A placebo is a type of pretending drug to influence a patient in believing they are receiving proper medication.

Something that is above something else is said to be over it.

When you reserve your application for something you have performed a registration for this.

When a creature of any type is no longer on the planet forever, this is called extinction.

When you are fully aware of something and attentive, then you are alert.

When you are tracing someone's history from generations before, this is their bloodline.

When you have a sudden inspiration or idea for something is called a brainstorm.

At first glance, many nations seem backward in their use of  technology.

Something of deep long-lasting importance is often the cardinal rule of something.

To play a practical joke on someone is called an antic.