optimist
UK: /ˈɒptɪmɪst/ | US: /ˈɑːptɪmɪst/
n. a person who tends to be hopeful and confident about the future or the success of something
n. a person who believes that this world is the best possible world (philosophical context)
The word optimist emerged in the 18th century from French optimiste, rooted in Leibnizian philosophy ("the best of all possible worlds"). It combines optimus (Latin for "best") with -ist, reflecting a person who believes in the supremacy of good. The term later broadened to describe general hopefulness, detached from its philosophical origins.
Despite setbacks, she remained an optimist, trusting things would improve.
The CEO’s optimist outlook inspired the team during the crisis.
Philosophers debated whether an optimist could rationally justify their worldview.
His reputation as an optimist made him a sought-after motivational speaker.
Even in dire situations, the optimist finds a silver lining.