from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The ability to feel or perceive sensations.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The ability to perceive sensations.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mental responsiveness and awareness
Back-formation from anesthesia.(American Heritage® Dictionary of the English Language, Fourth Edition)