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

Acquaintance means slight knowledge of, or familiarity with, someone or something.

• Correct answer - familiarity: it has the same meaning as Acquaintance.
• intelligent: clever - wrong, it does not mean the same as Acquaintance.
• enmity: hostility; hatred - wrong, it does not mean the same as Acquaintance.
• ignorance: lack of knowledge - wrong, it does not mean the same as Acquaintance.