Someone who can perceive how others are feeling is an example of someone who would be described as sentient.
All living and sentient things are formed out of insentient atoms.
Its warm touch seemed so like a human caress, I really thought it was a sentient being, capable of loving and protecting me.
Even as a sentient soul, she'd felt fear.
Both principles have sensibility, and thus all products of their collision are sentient, that is, feel pleasure and pain.
Jessi wasn't just prey; she was sentient prey, someone for him to win her mind in addition to overpowering.