Explanation:

- Neglect: Pay little or no attention to someone or something, often leading to a lack of care or maintenance.

- Option 1: Care: To provide attention, consideration, or supervision to someone or something. It's the direct opposite of neglect since it involves active engagement.

- Option 2: Oversight: Generally means supervision or management. It can also refer to an unintentional failure to notice or do something, but it's not an antonym for neglect.

- Option 3: Renovate: To restore something to a good or improved condition. It doesn't directly oppose neglect.

- Option 4: Quantify: To measure or express something as a number or quantity. It's not relevant as an antonym for neglect.