alertness
(noun)
noun
1. the process of paying close and continuous attention
Similar word(s): vigilance, wakefulness, watchfulness
Definition categories: thought, attention
2. a state of readiness to respond
- alerting was indicated by the desynchronization of the EEG
Similar word(s): alerting
Definition categories: state, arousal
3. lively attentiveness
Definition categories: attribute, attentiveness