1. In a quiet and tranquil manner
   "the sea now shimmered placidly before our eyes" 
2. In a placid and good-natured manner
   "I put the questions, and she answered them placidly"

See also: placid

• environmental science
• environmentalism
• environmentalist
• environmentally
• environmentally-friendly
• environs
• envisage
• envision
• envisioned
• envisioning
• envoi
• envoy
• envoy extraordinary
• envy
• enwrap
• enwrapped
• Enzed
• enzootic
• enzymatic
• enzyme
• enzyme-linked-immunosorbent serologic assay
• enzymic
• enzymologist
• enzymology
• Eocene