What is the meaning of Conscious?

Alert, awake; with one's mental faculties active.

Aware of one's own existence; aware of one's own awareness.

Aware of, sensitive to; observing and noticing, or being strongly interested in or concerned about.

Deliberate, intentional, done with awareness of what one is doing.

Known or felt personally, internally by a person.

Self-conscious, or aware of wrongdoing, feeling guilty.

The part of the mind that is aware of itself; the consciousness.

Source: wiktionary.org