pretend their is an imaginary line in the middle of the field.
When your a little kid you often pretend your in an imaginary world.
Most fictional books are imaginary
The little girl had a tea party with her stuffed animals and an imaginary friend.
My dream of my imaginary planet called planet "drule" is unimaginable .
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
The fort was attacked twice during the Civil War, and eventually abandoned by its garrison. For young children, any collection of boxes can become an imaginary fort.
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.