1. The property of being only partially aware of or sensitive to something
   "But there was between the cousins another far less obvious antipathy — coming from the unseizable family resemblance, which each perhaps resented; or from some half-consciousness of that old feud persisting still between their branches of the clan, formed within them by odd words or half-hints dropped by their elders"

Type of: apprehension, discernment, savvy, understanding