He arrived at the departure gate on time and his flight was still waiting to be boarded.
The child exhibited separation anxiety upon his mother's departure.
Flight 234's departure was to be at 8:35 a.m, but was apparently running late.
No, the sentence is totally incorrect. The word "repetition" means things done over and over, and has nothing to do with trains leaving. The word "departure" is the one that means "leaving." I think you meant to say "Upon it's departure, the train will head in a westerly direction," which is a fancy way of saying "When it leaves, the train will travel west."
yes
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
Just use it! Or do you mean, can you use the word beheld in a sentence.
The word "departure" has three syllables.
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.