noun

1. (in a person) The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.

2. (in a place or situation) The state of being calm; absence of noise and disturbance.

3. A period of time without wind.

verb

1. To make calm.

   “to calm a crying baby”

2. To become calm.

Synonyms: allay, appease, calm down, cool off, ease, pacify, quieten, soothe

adjective

1. (of a person) Peaceful, quiet, especially free from anger and anxiety.

2. (of a place or situation) Free of noise and disturbance.

3. (of water) with few or no waves on the surface; not rippled.