Correct Answer: Continuation

Solution : The correct choice will be the fourth option.

The most appropriate antonym for the word reprieve is continuation.

Reprieve: A reprieve is a temporary relief or delay from something unpleasant, such as a punishment or difficult situation.

Continuation: Continuation refers to the act of continuing or extending something.

The meanings of the other words are:

Cease: Cease means to bring something to an end, to stop or discontinue.

Turn out: Turn out refers to the result or outcome of a situation.

Torrential: Torrential describes heavy and continuous rainfall.