Explanation:

- Discern means to recognize or identify something, often with difficulty. It involves understanding or distinguishing between things.

- Neglect refers to failing to care for or give proper attention to something or someone. It implies disregard or omission of responsibility.

- Disregard means ignoring or treating something as unimportant. It is similar to neglect but can be more active.

- Daunt describes making someone feel intimidated or discouraged. It involves instilling fear or hesitation.

- Perceive means to become aware of or acknowledge something through the senses, similar to discern.

The most appropriate synonym for "DISCERN" is:

- Perceive