#alertness

• Acumen — The quality of being sharp; a remarkable mental faculty characterized by perspicacity, penetration, speed in assimilating information, and cleverness in drawing conclusions. In a physical sense, it designates swiftness, agility of movements, and sharpness of the senses, especially sight and hearing.
• Alertness — A highly rare learned term or etymological variant sometimes used with the meaning of agility, liveliness, promptness, vivacity, or spiritual and physical swiftness in executing an action. Structurally, the word functions as an abstract conceptual equivalent for a state of vigilance (alertness), used isolatedly in modern essayistic writings.
• Vigilance — Close attention, vigilance, caution, alertness, prudence, or circumspection in actions. It acts as the nominalized equivalent of the verbal idiom 'a băga de seamă', indicating an individual's cognitive capacity to notice minor details or avoid hazards.