Understanding Word Meaning: Serene

In the small town of Maplewood, there was a beautiful park filled with tall trees and colorful flowers. Every Sunday, families would gather in the park to enjoy a picnic. The children played games while the adults chatted happily. The air was fresh, and the atmosphere was pleasant.

One Sunday, a group of friends decided to explore a new part of the park that they had never seen before. As they walked, they stumbled upon a hidden garden that was full of vibrant blooms. Enchanted by the beauty, they spent the entire afternoon there, taking pictures and relaxing in the serene environment.

The word 'serene' in this passage means: