S: (n) spirit (a fundamental emotional and activating principle determining one's character)
S: (n) character, fiber, fibre (the inherent complex of attributes that determines a persons moral and ethical actions and reactions) "education has for its object the formation of character"- Herbert Spencer
S: (n) trait (a distinguishing feature of your personal nature)
S: (n) attribute (an abstraction belonging to or characteristic of an entity)