Synonyms of alertness

Noun

1. watchfulness, wakefulness, vigilance, alertness, attention

usage: the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue"

2. alertness, alerting, arousal

usage: a state of readiness to respond; "alerting was indicated by the desynchronization of the EEG"

3. alertness, sharp-sightedness, on the qui vive, attentiveness

usage: lively attentiveness