Warn in advance
I believe the answer is:
alert
(Other definitions for alert that I've seen before include "Watchful, sharp" , "Prompt" , "Vigilantly attentive" , "Intellectually active" , "Vigilant - warning" .)
I believe the answer is:
alert
(Other definitions for alert that I've seen before include "Watchful, sharp" , "Prompt" , "Vigilantly attentive" , "Intellectually active" , "Vigilant - warning" .)