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

Decipher means to decode.

• Correct answer - to decode: it has the same meaning as Decipher.
• to be precise: to be exact - wrong, it does not mean the same as Decipher.
• to swindle: to cheat - wrong, it does not mean the same as Decipher.
• to add to: to increase - wrong, it does not mean the same as Decipher.