Synonyms to sense impression

awareness, advertence, advertency, alertness, apperception, appreciation, appreciativeness, assiduity, assiduousness, attention, attention span, attentiveness, care, cognition, cognizance, concentration, consciousness, consideration, diligence, ear, earnestness, experience, feeling, heed, heedfulness, insight, intentiveness, intentness, mindfulness, noesis, note, notice, observance, observation, percept, perception, realization, recognition, regard, regardfulness, remark, respect, response, response to stimuli, sensation, sense, sense perception, sensibility, sensory experience, thought, all-night vigil, brain, carefulness, concern, faculties, head, insomnia, insomniac, insomnolence, insomnolency, intellect, intellectual gifts, intellectuals, intelligence, inte