Sentience is being capable of feeling, consciousness or having some form of mind. Eighteenth-century philosophers used the concept to distinguish the ability to think (reason) from the ability to feel (sentience).
Intelligence and sentience
In simple English, to be sentient means displaying and/or having the ability to:
Philosophy and sentience
Animal rights and sentience
Thinking about sentience is important when studying animal rights. This is because feeling is needed in order to suffer. The basis of animal rights is that some animals have emotions, can feel pain and also feel happy and well.
Sentience Facts for Kids. Kiddle Encyclopedia.