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

See also: optimistic

• lacrimal gland
• lacrimal sac
• lacrimal secretion
• lacrimal vein
• lacrimation
• lacrimator
• lacrimatory
• lacrosse
• lacrosse ball
• lacrosse player
• Lactaid
• lactalbumin
• Lactarius
• Lactarius delicioso
• lactase
• lactase deficiency
• lactate
• lactating
• lactation
• lacteal
• lactic
• lactic acid
• lactiferous
• lactiferous duct
• lactifuge