demonstrate
verb (used with object)
to make evident or establish by arguments or reasoning; prove.
have demonstrated
-
present perfectof demonstrate.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"We see examples of countries that have demonstrated the ability to get close or to fly by certain objects," said Archer.
From Barron's ● Aug. 7, 2026
Several northern European elections over the past decade have demonstrated these tensions.
From Science Daily ● Aug. 2, 2026
“We have demonstrated how we will do that.”
From The Wall Street Journal ● Jul. 20, 2026
You have demonstrated on the steps of the court to protect a system of laws and statutes and constitutional promises that has meaning for you and your families and your communities.
From Slate ● Jul. 20, 2026
Parapsychology Interest in parapsychology is very old, yet the simple fact is that there have been no repeatable studies which have demonstrated its existence, Uri Geller and other charlatans notwithstanding.
From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos
