As a noun it is the quality of being quiet. Silence reigns supreme in an empty room.
As a verb it is the action of causing silence. 'Silence that man.' the judge ordered the bailiff.
P.S. You literally answered your own question by example.
I can give you several sentences.
I asked for silence in the room.
The librarian demanded silence.
Silence your tongue this instance.
There was nothing but silence all around him.
use it by saying- how can you use the word ebullient in a sentence?
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
You can use the word feces in a sentence to mean excrement.
the word rag in a sentence
there was an instant silence between the two of them.
When the child got yelled at there was an award silence.
The silence in the room was deafening, broken only by the occasional rustle of paper.
'The Silence of the Lambs' is a horror film.
I am quite fond of peace and silence.
She is known for her powerful vocal performance in the music industry.
In an effort to silence the voices of those they disagreed with, the left wing group MoveOn.org arranged for a boycott of Target.
She faced the difficult situation with stoic acceptance, showing no outward signs of emotion.
the woods was filled with silence and darkness.
There was an ominous silence as the question was asked; it seemed nobody had an answer
This sentence contains the word subsides. Just kidding, you could say something like "There is a loud noise in the romm which soon subsides to silence" or "I will talk to you as soon as this noise subsides.
She has a retentive memory, able to remember even the smallest details of past events.