IPA: //sæŋˈɡwɪnəs//
KK: /sæŋˈɡwɪnəs/
The quality of being optimistic or positive, especially in a difficult situation.
Her sanguineness in the face of adversity inspired everyone around her.
Sanguineness → It is formed from "sanguis" (meaning blood) and the suffix "-ness" (meaning the state or quality of). The word "sanguineness" refers to the quality or state of being optimistic or having a cheerful disposition, metaphorically linked to the idea of blood as a life force.
Think of 'sanguis' which means blood, and remember that 'sanguineness' describes a state of being full of life and optimism, much like the vitality associated with blood.