Here's an example of optimism in a sentence:
If you said "use coincidence in a sentence" you already know how to use it in a sentence and are probably getting examples. if you said" how do you use coincidence in a sentence" you most-likely don't know the definition of it.
scientific
Sample Sentence: The magician put his audience into a trance.
I would have answered nonetheless.
A cure for diseases would be a remarkable discovery.
I always face challenges that come up in my life with optimism.
If you have optimism, you can see things in a good light.
optimism is cool
She views the situation with optimism.
Brian's optimism that we would win the soccer match cheered everyone up.
She was always a happy person, looking at all aspects of life with optimism. (The sufix -ism means belief. You use this word as a noun.) My dad always has optimism! Now that sales were getting better there was optimism about the future of the company. After the exam was easier that people expected, there was a lot of optimism that more people would pass. There was optimism that an agreement could be made with some more discussions.
The jeopardy game was optimistic?
Optimism was a prevalent trait in the family.
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\
Would not that be "Would not that be?"?
I would use the word "theory" in a sentence like this: "The scientist presented a new theory to explain the findings of the experiment."