The synonym of the word "Oblivion" is:

Explanation

The correct answer is Option A: Forgetfulness. 'Oblivion' refers to a state of being forgotten or the condition of being unaware or unconscious. 'Forgetfulness' captures this idea because it implies a lack of memory or awareness.Observant is incorrect because it means being attentive and aware.Neglect is incorrect because it refers to a lack of care, not a state of being forgotten.Daunted is incorrect as it relates to feeling intimidated or discouraged, not forgotten.