give witness to (something)

give witness to (something)

To support or prove a claim or idea by one's (or something's) physical presence. The many students on campus these days give witness to the school's successful rebranding efforts. The beautiful homes and vibrant gardens give witness to the rebirth of this neighborhood.
See also: give, witness

bear/give ˈwitness (to something)

provide evidence of the truth of something: The huge crowd bore witness to the popularity of this man.
See also: bear, give, witness