Sanguine a. : Having the color of blood; red.

Sanguine a. : Characterized by abundance and active circulation of blood; as, a sanguine bodily temperament.

Sanguine a. : Warm; ardent; as, a sanguine temper.

Sanguine a. : Anticipating the best; not desponding; confident; full of hope; as, sanguine of success.

Sanguine n. : Blood color; red.

Sanguine n. : Anything of a blood-red color, as cloth.

Sanguine n. : Bloodstone.

Sanguine n. : Red crayon. See the Note under Crayon, 1.

Sanguine v. t. : To stain with blood; to impart the color of blood to; to ensanguine.

Example:
Can someone explain what Sanguine means in the follow sentence?

Taxonomy
temperament, four temperaments, phlegmatic, blends, theory, Mel, Chlor, humours, Pseudoscience, temperament theory, free dictionary, expert attention, free encyclopedia, yellow bile, personality, sanguine personality, four humours, History.

Defination from the web:
sanguine is generally light-hearted, funloving, a people person, loves to entertain, spontaneous,leader abilities, and confident. ... The humour of Sanguine is usually treated with leeches. ...