Words similar to optimist

Example sentences for: optimist

How can you use “optimist” in a sentence? Here are some example sentences to help you improve your vocabulary:

He says Type O is the most ancient blood group, the one of the carnivorous big-game hunter, the self-reliant, risk-taking optimist.
I particularly liked the way he worked the book through the pessimist/optimist grinder.
Maybe he is a feel-good optimist or maybe the answers are really simpler than our unnecessarily complex world would like to believe, but either way, the Dalai Lama is one of the few people in the world whom I can legitimately not feel cynical about.
Prudie, I don't think this is anything more than a flirtation (I guess I'm an optimist).
But if you're an optimist and expect to practice future self-control, you'll be inclined to save your money and pass it along into your own future good hands.