All 5 Uses

conscious
in
The Great Gatsby
(Edited)

Miss Baker and I exchanged a short glance consciously devoid of meaning.
p. 14.7 *

consciously = intentionally (on purpose)
Among the broken fragments of the last five minutes at table I remember the candles being lit again, pointlessly, and I was conscious of wanting to look squarely at every one, and yet to avoid all eyes.
p. 15.8

conscious = aware
Or perhaps I had merely grown used to it, grown to accept West Egg as a world complete in itself, with its own standards and its own great figures, second to nothing because it had no consciousness of being so, and now I was looking at it again, through Daisy's eyes.
p. 104.4

consciousness = awareness
So engrossed was she that she had no consciousness of being observed, and one emotion after another crept into her face like objects into a slowly developing picture.
p. 124.8 *
Self-consciously, with his authoritative arms breaking the way, we pushed through the still gathering crowd, passing a hurried doctor, case in hand, who had been sent for in wild hope half an hour ago.
p. 141.4

self-consciously = with awareness of how he appeared

Definitions:

(1) (conscious as in: conscious after the operation)
awake (not asleep or in a state similar to sleep where one is unaware of anything)
(2) (conscious as in: a conscious effort to lose weight)
intentional (done on purpose) -- perhaps with significant effort
(3) (conscious as in: environmentally conscious)
aware or concerned about something
(4) (conscious as in: the conscious mind)
mental activity of which one is self-aware
(5) (conscious as in: conscious life on other planets)
capable of thought, self-reflection, and will
(6) (meaning too rare to warrant focus)