Meaning : In a quiet and tranquil manner.
Example :
The sea now shimmered placidly before our eyes.
Meaning : In a placid and good-natured manner.
Example :
I put the questions, and she answered them placidly.
Placidly ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Placidly ka matlab kya hota hai?