Auspicious means "attended by favorable circumstances" thus:-
After reading her horoscope in the paper, Mary felt it was an auspicious time to purchase a lottery ticket.
Auspiciously is the adverb form of auspicious, which means favorable. A sentence would be, the senator's new campaign opened auspiciously when one of his opponents dropped out.
The auspiciousness of the situation could not be denied.
The word vane could be in a sentence like, "i have a big vane"
aerospace is useless.
Ailerons are on aeroplanes.
Love is imponderable.
using letters
A good way to use retentive in a sentence is... "How do you use the word retentive in a sentence?"
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 do you use the word gerontology in a sentence?
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.
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.
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.