[syn: alert, alerting]
The Collaborative International Dictionary of English v.0.48:
alerting \alerting\ n. (Physiol.)
   a state of readiness to respond. alerting was indicated by
   the desynchronization of the EEG
   Syn: alertness
        [WordNet 1.5]
   2. a warning serves to make you more alert to danger.
   Syn: alert
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
alerting
    n 1: a state of readiness to respond; "alerting was indicated by
         the desynchronization of the EEG" [syn: alertness,
         alerting]
    2: a warning serves to make you more alert to danger [syn:
       alert, alerting]