Emily Dickinson Lexicon

conscious (-er), adj. [L. consci-us, knowing something with others, knowing in oneself, privy to.] (webplay: certain, existence, fact, knowing, memory, mind, myself, passes, power, spirits, thoughts).

1. Hyperactive; animated; aroused; excited; absorbed in one's own thoughts and mental operations; [fig.] awake; unable to sleep.
2. Alert; well aware; knowing by perception.