Alert
Part of speech: adjective
Definition: Attentive; awake; on-guard.
Part of speech: noun
Definition: An alarm. A notification.
Part of speech: verb
Definition: To give warning to.
Example sentence: Octopus can fish for prey while deciding what color and pattern to turn, what shape to make their bodies, be on alert for predators and aware how far away their dens are.
Cognizant
Part of speech: adjective
Definition: Aware.
Example sentence: Simply put, we have to take charge and take responsibility and support what's in the marketplace. Because, quiet as it's kept, the powers that be are cognizant of what our spending dollar means. And it is kept a little quiet, and we have to become aware of what we mean in the marketplace and take advantage of it.