Choose the most appropriate antonym for Vitiate from the options given below:

Option 1: Debase -> means to lower in quality or value, which is similar to vitiate, not opposite.

Option 2: Activate -> means to make active or effective, opposite of spoiling or impairing.

Option 3: Avenge -> means to take revenge, unrelated to vitiate.

Option 4: Offend -> means to cause displeasure or insult, not an antonym of vitiate.

Hence, Option 2: Activate -> Vitiate means to spoil, impair, or corrupt something, making it less effective. Activate means to make something active, functional, or effective, which is the direct opposite action -> correct