usage: the perception that something has occurred or some state exists; "early detection can often lead to a cure"
2. sensing, perception, sensory activity
usage: becoming aware of something via the senses
1. feel, sense, perceive, comprehend
usage: perceive by a physical sensation, e.g., coming from the skin or muscles; "He felt the wind"; "She felt an object brushing her arm"; "He felt his flesh crawl"; "She felt the heat when she got out of the car"
2. sense, detect, observe, find, discover, notice
usage: detect some circumstance or entity automatically; "This robot can sense the presence of people in the room"; "particle detectors sense ionization"
3. smell, smell out, sense, perceive
usage: become aware of not through the senses but instinctively; "I sense his hostility"; "i smell trouble"; "smell out corruption"
4. sense, understand
usage: comprehend; "I sensed the real meaning of his letter"