Confucius was a philosopher.
You will never be a philosopher.
Confucious was a Chinese philosopher that invented the philosophy of Confucianism.
The boy was very pensive and philosophical.
The philosopher examines what is meaningful in life and thought. The project had no meaningful results and was canceled.
Plato is a name, so you use it in a manner consistent with how you would use any other name. As in, "Plato wrote a sentence."
No, the word "philosopher" is not always capitalized. It is only capitalized when used as part of a proper noun, such as in the name of a specific philosopher or philosophical school, or at the beginning of 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.
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.