Readiness is the state of being prepared to act.
Wariness is defined as the state of being cautious.
a state of readiness to respond
Find another word for alertness. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for alertness, like: awareness, readiness, wariness, attentiveness, vigilance, watchfulness, sharp-sightedness, on-the-qui-vive, wakefulness, alerting and mental-alertness.