Etymology
Advertisement
consciousness (n.)

1630s, "internal knowledge," from conscious + -ness. Meaning "state of being aware of what passes in one's own mind" is from 1670s; meaning "state of being aware" of anything is from 1746. Consciousness-raising is attested from 1968.

Related entries & more 
Advertisement
preconscious (adj.)

"pertaining to or involving a state anterior to consciousness," 1860, from pre- "before" + conscious (adj.).

Related entries & more 
self-conscious (adj.)

1680s, "aware of one's action or oneself," a word of the English Enlightenment (Locke was using it by 1690, along with self-consciousness "state of being aware of oneself, consciousness of one's own identity"), from self- + conscious. The morbid sense of "preoccupied with one's own personality, conscious of oneself as an object of observation to others" is attested by 1834 (J.S. Mill). Related: Self-consciously.

Related entries & more 
subconscious (adj.)
1823, "not wholly conscious, feebly conscious" (implied in subconsciously), from sub- + conscious. First attested in De Quincey. The noun, in the psychological sense ("mental processes taking place without consciousness"), is attested from 1886, from adjectival sense "occurring in the mind, but not in consciousness;" earlier noun was subconsciousness (1845).
Related entries & more 
sentience (n.)

1817, "faculty of sense; sentient character or state, feeling, consciousness, susceptibility to sensation;" see sentient + -ence. Related: Sentiency (1796).

Related entries & more 
Advertisement
self-abasement (n.)

"humiliation proceeding from guilt, shame, or consciousness of unworthiness; degradation of oneself by one's own act," 1650s; see self- + abasement

Related entries & more 
subliminal (adj.)
1873, "below the threshold" (of consciousness or sensation), formed from Latin stem of sublime (Latin limen, genitive liminis) + -al (1)). Apparently a loan-translation of German unter der Schwelle (des Bewusstseins) "beneath the threshold (of consciousness)," from Johann Friedrich Herbart (1776-1841), author of a textbook on psychology published in 1824. The scare over subliminal advertising came in 1957. Related: Subliminally.
Related entries & more 
grand mal 
"convulsive epilepsy" (with loss of consciousness), 1842 as a French term in English, from French grand mal, literally "great sickness" (see grand (adj.)). Opposed to petit mal.
Related entries & more 
remorseful (adj.)

"characterized by remorse, burdened with a painful sense of guilt and penitence due to consciousness of guilt," 1590s, from remorse + -ful. Related: Remorsefully; remorsefulness.

Related entries & more 
automatism (n.)

1803, "the doctrine that animals below man are devoid of consciousness;" see automaton + -ism. By 1856 as "automatic or involuntary action."

Related entries & more