Optimist

n.	1.
	1.	(Metaph.) One who holds the opinion that all events are ordered for the best.
	2.	One who looks on the bright side of things, or takes hopeful views; one who experiences optimism{2}; - opposed to pessimist.

Noun

1.

optimist - a person disposed to take a favorable view of things Antonyms: pessimist - a person who expects the worst

Leibnizian optimist, Pollyanna, aspirant, aspirer, chiliast, dreamer, hopeful, hoper, idealist, irrepressible optimist, millenarian, millennialist, millennian, perfectibilist, perfectibilitarian, perfectionist, philosophical optimist, positivist, ray of sunshine, utopian