sensation /sensā″shən/ [L, sentire, to feel] , 1. a feeling, impression, or awareness of a body state or condition that results from the stimulation of a sensory receptor site and transmission of the nerve impulse along an afferent fiber to the brain. Kinds include delayed sensation, epigastric sensation, primary sensation, referred sensation, subjective sensation. 2. a feeling or an awareness of a mental or emotional state, which may or may not result in response to an external stimulus.