When there is more then 1 person.
1. you did just use that word in a sentence 2. if a doctor would use the word tumor in a sentence they would probably say "we need to remove the tumor from this persons body."
An excessive use of alcohol may have an adverse affect on a persons health.
When you are talking about a persons possessions
Drug use will impair a persons ability to make the right decisions. This sentence works because the word means to weaken something.
the activity of interpreting a persons character
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
I think you mean shallow. That pond is not deep it is very shallow. Hal is a shallow person who is only interested in a persons looks.
You can use an underscore to remove a word out of a sentence. It can be placed where the word was.
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.