Dictionary & Thesaurus

alertness

1.	(noun) lively attentiveness
	Synonyms: on the qui vive
	Related Words: attentiveness

2.	(noun) a state of readiness to respond; "alerting was indicated by the desynchronization of the EEG"
	Synonyms: alerting
	Related Words: arousal

3.	(noun) the process of paying close and continuous attention
	Synonyms: vigilance, watchfulness
	Related Words: attention, jealousy