What is define sentient?

Sentient refers to the ability to perceive and feel, particularly in terms of having emotional experiences. Sentient beings are capable of feeling pleasure and pain, and have the capacity for consciousness and self-awareness. In the context of artificial intelligence and robotics, creating a sentient machine is a challenging goal because it requires an understanding of how emotions and self-awareness are created in biological organisms. However, some experts believe that future advancements in technology may make it possible to create truly sentient machines.