Synonyms of the word

alerting

• v. present participle of alert.

alert

• adj. Attentive; awake; on guard.
• adj. (obsolete) Brisk; nimble; moving with celerity.
• n. An alarm.
• n. A notification of higher importance than an advisory.
• v. To give warning to.

alertness

• n. The quality of being alert or on the alert; briskness; nimbleness; activity.

arousal

• n. The act of arousing or the state of being aroused.
• n. Sexual arousal.
• n. A physiological and psychological state of being awake or reactive to stimuli, including elevated heart…
• n. Arousal from sleep or hibernation.

warning

• v. present participle of warn.
• n. The action of the verb warn; an instance of warning someone.
• n. Something spoken or written that is intended to warn.
• interj. Used to warn of danger in signs and notices.