noun.
The state or quality of being sentient; possession of consciousness or sensoryawareness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the readiness to perceive sensations; elementary or undifferentiated consciousness
noun.
the faculty through which the external world is apprehended
noun.
state of elementary or undifferentiated consciousness
Word Usage
"The problem most often referred to is the hard problem of consciousness; i.e. how to explain sentience and qualia and their interaction with consciousness."