In the guise of an injured person who needed help, he would play on the sympathies of young women.
She presented herself in the guise of a successful businesswoman, hiding the fact that she was struggling financially.
The suspect entered the victim's property under the guise of being a police officer.
She put on a friendly guise to hide her true intentions.
I would say a antonym of guise would probably be "reality", since GUISE is a word for fake.
use it by saying- how can you use the word ebullient in a sentence?
Can you use the word concluding in a sentence? Done.
How can you use the word infectious in a sentence
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.
A caret symbol (^) is commonly used to indicate that a word or phrase should be removed from a sentence.
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.