WATCHFULNESS
watchfulness, vigilance, weather eye
(noun) vigilant attentiveness; “he keeps a weather eye open for trouble”
watchfulness, wakefulness, vigilance, alertness
(noun) the process of paying close and continuous attention; “wakefulness, watchfulness, and bellicosity make a good hunter”; “vigilance is especially susceptible to fatigue”
Source: WordNet® 3.1
Etymology
Noun
watchfulness (countable and uncountable, plural watchfulnesses)
The state or quality of being watchful; alertness, vigilance or wakefulness.
Source: Wiktionary