1. Pleasantly (even unrealistically) optimistic
   - cheerful, upbeat

See also: optimistic

• strike leader
• strike off
• strike pay
• strike up
• strike zone
• strike-slip fault
• strikebound
• strikebreaker
• strikebreaking
• strikeout
• striker
• striking
• strikingly
• strikingness
• strimmer
• Strindberg
• Strine
• string
• string along
• string band
• string bass
• string bean
• string cheese
• string line
• string of beads