Which of the following words is closest in meaning to “Faculty”?

Faculty means a natural ability or power.

• Correct answer - ability: it has the same meaning as Faculty.
• disguise: a change of appearance to hide identity - wrong, it does not mean the same as Faculty.
• weakness: lack of strength - wrong, it does not mean the same as Faculty.
• department: a division of an organisation - wrong, it does not mean the same as Faculty.