I witnessed a murder.
We've just witnessed a miracle.
Words that you can use other than witnessed are seen, observed, watched, viewed, and noticed. These are synonyms of witnessed.
The word "seen" is used as the past participle of "see" to indicate that the action was witnessed or observed. It is appropriate to use "seen" in a sentence when describing something that has been observed in the past or when forming a passive construction.
The negro boy was distrait after he had witnessed his mother whipped to death.
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
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 Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.
use the word puzzlement in a sentence