having the ability to think and use your senses
fully aware, sensitive to one's own existence
examined or explored
a quarter of a circle, or a quarter of a whole, quartile
immeasurably small - notice the base word "infinite"
a colorless, flammable gas, the most abundant element in the universe
people who are unrealistic or fanatical
unspeakable, unable to be uttered or spoken
unendurable, unable to bear something
creatures who are "sentient"
in science fiction, creatures who are capable of more than one dimension (like Ben 10)