1. Naively or unreasonably optimistic
   "I found the article regarding earnings growth slightly Panglossian" 
2. Of or relating to the view that this is the best of all possible worlds

Encyclopedia: Panglossian

• ensconce
• ensemble
• Ensete
• Ensete ventricosum
• enshrine
• enshroud
• ensiform
• ensiform leaf
• ensign
• ensigncy
• ensignship
• ensilage
• ensile
• Ensis
• ensky
• enslave
• enslavement
• ensnare
• ensnarl
• ensorcelled
• ensoul
• ensuant
• ensue
• ensuing
• ensure