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

Disconcert means to confuse or unsettle.

• Correct answer - to confuse: it has the same meaning as Disconcert.
• to sing in harmony: to sing together in tune - wrong, it does not mean the same as Disconcert.
• cancel a programme: to call off a schedule - wrong, it does not mean the same as Disconcert.
• to pretend: to make believe - wrong, it does not mean the same as Disconcert.