sanguine
SANG-gwinadjMeaning hopeful and confident about the future
Memory hook SANG-gwin: a SUN GRIN. The sky is gray, but Jamal wears a sun grin and packs the beach umbrella anyway: “It’ll clear up by noon!” He is sanguine.
Despite the gray sky, Dad was sanguine about our chances for a beach day.
In context The rest of the crew doubted the old boat would ever float again, but Sven remained sanguine, sure that a little paint and patience would have her sailing by summer.
Similar optimistic, hopeful, confident, upbeat
Opposite pessimistic, gloomy, despairing
From Latin sanguineus, “of blood”; doctors of the Middle Ages believed a hopeful, cheerful temper came from plenty of blood.