sanguine
adj//ˈsæŋ.ɡwɪn//blodröd, sangvinisk, optimistisk, förtröstansfull, hoppfull
(literary) Having the colour of blood; blood red. [from late 14th c.]
(obsolete, physiology) Having a bodily constitution characterised by a preponderance of blood over the other bodily humours, thought to be marked by irresponsible mirth; indulgent in pleasure to the exclusion of important matters.
Warm; ardent.
Anticipating the best; optimistic; confident; full of hope. [from early 16th c.]