I will call the authorities if they don't turn their music down.
The authorities' reprisals did not result in quelling the insurgents.
The thieves crept into the museum at night.
I never question my authorities.
The word is often preceeded by "face" as in "Paris authorities face flak over ban on 'raunchy' exhibition for teens.."
The authorities detained the man for driving under the influence.
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
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?
Since that is not a word I would not attempt to use it in a sentence.
You just did use the word colonize in a sentence.
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".