필수적이다

The quality of being worthy of attention; importance, significance, or the true meaning of an action or event.

To acknowledge, admit, or recognize the truth or existence of something, or to recognize someone's merit or authority.

To form, build up, or create something through a process, often referring to relationships, habits, or structures.

To prevent or stop something bad or undesirable from happening in advance.

To be correct, exact, and free from error; precise.

To be isolated or cut off from others, either physically or socially.

The formal process of evaluating, judging, or examining something (like an application, a work of art, or a performance).

A requirement or premise that must be met for something to happen. It also refers to the environment or factors that influence a situation.

The ability to grasp the meaning, nature, or importance of something. It also refers to sympathetic awareness or agreement between parties.

To talk about something with another person or group in order to reach a decision or exchange ideas. It is more formal than '이야기하다'.