The definition of conscious is the awareness that something is happening or is the normal state of being awake.(adjective)
See conscious in Webster's New World College Dictionary
Origin: L conscius, knowing, aware < conscire: see conscience
See conscious in American Heritage Dictionary 4
Origin: From Latin cōnscius
Origin: : com-, com-
Origin: + scīre, to know; see skei- in Indo-European roots.
Learn more about conscious