I might believe in reincarnation, but then again I might not
It is generally not necessary to capitalize the word "reincarnation" unless it is used at the beginning of a sentence or as part of a title.
Reincarnation cannot be explained in a few words because of its complexity. The Egyptian pharaohs believed in reincarnation and prepared for life in the next world. The sports team was a reincarnation of the minor league team that played a decade earlier.
The Hawaiian word for reincarnation is "hoʻoponopono i ka honua."
The word reincarnation is a noun, or occasionally a noun adjunct (e.g. reincarnation beliefs).
use it by saying- how can you use the word ebullient in a sentence?
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.
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 ".
You can use the word feces in a sentence to mean excrement.