GATE CS 2012 Q58 — General Aptitude

The word Mitigate means to make something less severe, serious, or painful (e.g., to mitigate risks or mitigate pain).

Let's analyze the given options:

• Diminish: To make or become less in size, importance, or intensity. This is closest in meaning to mitigate.
• Divulge: To make known private or sensitive information; to reveal.
• Dedicate: To devote time, effort, or resources to a particular task or purpose.
• Denote: To be a sign of, indicate, or stand as a name or symbol for.

Thus, Diminish is the closest synonym to Mitigate.