Related Clues:

• 'Half-full' believer
• Hopeful person
• Man one found on street after work is cheery type
• One of cheerful outlook mistakenly omits tip
• Workman at first expects things to go well
• I stay positive once eliminated from rough competitions
• Chap in work is initially true Panglossian type
• Certain type of capitals organising points to Internet cloud
• Bastille "How am I gonna be an ___ about this?"
• Bull, essentially
• Go with one film I'll hopefully view
• One always sees the glass as half-full
• 'Glass half full' type
• One hoping to choose one film
• Positive person