Panglossian \pan-GLAH-see-un\ adjective
: marked by the view that all is for the best, in this best of possible worlds :
excessively optimistic

Example sentence:
Even the most Panglossian temperament would have had trouble finding the good in
this situation.

Did you know?
Dr. Pangloss was the pedantic old tutor in Voltaire’s satirical novel Candide.
Pangloss was an incurable, albeit misguided, optimist who claimed that “all is
for the best in this best of all possible worlds.” So persistent was he in his
optimism that he kept it even after witnessing and experiencing great cruelty
and suffering. The name “Pangloss” comes from Greek “pan,” meaning “all,” and