Whether it is the family home of many decades or a hasty move from assisted living to a higher level of care, your parent has established relationships with people and some sense of continuity of place in the familiar setting.
The definition of sanguine is someone or something the color of blood or a reddish color. An example of sanguine is rosy cheeks. of the color of blood; ruddy: said esp. of complexions.
Etymology: Middle English sanguin having the color of blood, from early French sanguin (same meaning), from Latin sanguineus (same meaning), from sanguin-, sanguis blood --see Word History at HUMOR. 1 : having the color of blood.