It can. It can also disprove a point.
The verb form of demonstration is demonstrate.Other verbs are demonstrates, demonstrating and demonstrated."We will demonstrate the steps to you"."They have demonstrated this before".
Monstrare. Think "demonstrate".
An example of gesticulation is waving your hands while speaking to emphasize a point. This can include gestures like pointing, using hand motions to demonstrate size or direction, or using body language to convey emotion or emphasis.
Ignoring the speaker's point of view and only focusing on your own response is not a good example of active listening. This behavior does not demonstrate understanding or empathy towards the speaker.
I will demonstrate my self how to turn on the computer
You'll have to demonstrate the vacuum cleaner before I'll consider buying it.
the launch of a rocket or a definition: test or demonstrate
the thesis statement.
The opposite would have to be "non-example" which is not an actual word although it appears in Wiktionary.The opposite of inspiration by example would be inspiration by appeal.
"Illustrate" is a word that means to give an example or to make something clear by using examples.
The word "demonstrate" can function as both a verb and a noun. As a verb, it is an action word that shows or proves something. For example, "She will demonstrate the experiment in class." As a noun, "demonstrate" can refer to a public display of group opinion or feeling, as in "The protest was a powerful demonstration of unity."
One such phrase is "beauty is only skin deep."