sensing (Noun) — The perception that something has occurred or some state exists.
sensing (Noun) — Becoming aware of something via the senses.
sensing (Verb) — Perceive by a physical sensation, e.g., coming from the skin or muscles. ex. "He sensed the wind"
sensing (Verb) — Detect some circumstance or entity automatically. ex. "This robot can sense the presence of people in the room" ex. "particle detectors sense ionization"
sensing (Verb) — Become aware of not through the senses but instinctively. ex. "I sense his hostility"
sensing (Verb) — Comprehend. ex. "I sensed the real meaning of his letter"