Verb

(head)

(demonstrate)

Verb

(demonstrat)

To display the method of using an object.

To show the steps taken to create a logical argument or equation.

To participate in or organize a demonstration.

Verb

(en verb)

To do something; to execute.

* {{quote-magazine, year=2013, month=July-August, author= Lee S. Langston, magazine=(American Scientist)

, title= The Adaptable Gas Turbine , passage=Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo'', meaning ''vortex , and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.}}

To do something in front of an audience, often in order to entertain it.

* Shakespeare

Perform a part thou hast not done before.