op·ti·mis·tic
ˌäptəˈmistik/
adjective
adjective: optimistic
hopeful and confident about the future.
"the optimistic mood of the sixties"
synonyms: hopeful, confident, positive, cheerful, cheery, sanguine, bright, buoyant, full of hope, bullish, Panglossian, Pollyannaish;More
informalupbeat...