What are the opposite words for inattentiveness?

Inattentiveness refers to the lack of attention or focus. Its antonyms are attentive, alert, mindful, vigilant, observant, conscientious, and diligent. Being attentive means being fully present and aware of surroundings. Alertness is the state of being fully awake and aware of potential danger. Being mindful is the act of being aware and conscious of one's thoughts, feelings, and surroundings. Vigilance is the act of keeping a watchful eye on things. Observant means being keenly observant and perceptive. Conscientious refers to being diligent and meticulous. Diligence means putting in consistent effort and being dedicated to a task. All of these antonyms signify a state of attentiveness, alertness, and focus.