The definition of sentient is able to be aware or to perceive or feel things.(adjective)
Someone who can perceive how others are feeling is an example of someone who would be described as sentient.
See sentient in Webster's New World College Dictionary
Origin: L sentiens, prp. of sentire, to perceive by the senses: see sense
See sentient in American Heritage Dictionary 4
Origin: Latin sentiēns, sentient-
Origin: , present participle of sentīre, to feel; see sent- in Indo-European roots.
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