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

See also: optimistic

• Lilium pardalinum
• Lilium philadelphicum
• Lilium superbum
• Liliuokalani
• Lille
• Lillian Gish
• Lillian Hellman
• Lillian Russell
• Lillie
• Lillie Langtry
• Lilliput
• lilliputian
• Lilo
• Lilongwe
• lilt
• lilting
• lily
• lily family
• lily of the Incas
• lily of the Nile
• lily of the valley
• lily pad
• Lily Pons
• lily-livered
• lily-of-the-valley tree