*Sanguine* (adj.) — optimistic or hopeful, especially in a situation that seems difficult or discouraging; cheerfully confident. From the medieval theory of the four humours, where a blood-dominant temperament (Latin *sanguis*, "blood") was thought to produce a ruddy, warm, buoyant disposition.
> [!note] Seedling — this definition is still being developed.
Source: [[Evil in Modern Thought - Neiman|Evil in Modern Thought]] by Susan Neiman, p. 208.