It can also be used to refer to a state of tranquility or calmness.
Here are some other related words:
* শান্ত (shant) - Peaceful, calm
* শান্তিপূর্ণ (shantipurna) - Peaceful, tranquil
* সম্প্রীতি (sampreeti) - Harmony, concord
* আরাম (aram) - Peace, comfort, ease