sanguine
adj.adj. feeling positive and hopeful about a difficult situation.
adj. optimistic or positive, especially in an apparently bad or difficult situation. Historically associated with the 'blood' humor in medieval physiology, suggesting a courageous and hopeful temperament.
He remains sanguine about the company's future despite the recent losses.
While the economists predicted a recession, the business owner was sanguine about her ability to adapt.
Despite the initial setbacks in the peace negotiations, the mediator maintained a sanguine outlook, believing that both parties were ultimately committed to a resolution.
From Middle English sanguine, from Old French sanguin, ultimately from Latin sanguineus (“of blood”), from sanguis (“blood”) (of uncertain origin, but probably from Proto-Indo-European h₁sh₂-én-, from h₁ésh₂r̥ (“blood”), with an obscure suffix such as *-ǵʰ- (related to body parts)) + -inus + -eus. Doublet of sanguineous.
Often used predicatively after linking verbs like 'remain', 'be', or 'stay'.