ochitsukuoちつくchitsuku
1.

To reach a state of tranquility where disturbances, chaos, or emotional turmoil settle, allowing for a sense of order and balance.

2.

To establish oneself in a stable environment, such as finding a permanent residence or occupation, thereby achieving a sense of security and comfort.

3.

To arrive at a resolution in discussions or negotiations, leading to a clear and agreed-upon conclusion.

4.

To maintain a composed demeanor, exhibiting calmness and control in thought and action, especially in stressful situations.

5.

To create a harmonious atmosphere where one's feelings align with the surroundings, resulting in a soothing and relaxing experience.

Example:

彼は当惑して落ち着きませんでした。