Adjective

(er)

Vigilant or on one's guard against danger or difficulty.

Conscious or having knowledge of something.

* , chapter=7

, title= The Mirror and the Lamp , passage=“[…] This is Mr. Churchill, who, as you are aware , is good enough to come to us for his diaconate, and, as we hope, for much longer; and being a gentleman of independent means, he declines to take any payment.” Saying this Walden rubbed his hands together and smiled contentedly.}}

Adjective

(en adjective)

Alert, awake.

Aware.

* , chapter=5

, title= The Mirror and the Lamp , passage=Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.}}

*

Once again the animals were conscious of a vague uneasiness.

Aware of one's own existence; aware of one's own awareness.

* 1999 , Eckhart Tolle, The Power of Now , Hodder and Stoughton, pages 61–62:

The best indicator of your level of consciousness is how you deal with life's challenges when they come.  Through those challenges, an already unconscious person tends to become more deeply unconscious, and a conscious' person more intensely ' conscious .