Correct Answer: SENSE

Solution : The fourth option is correct.

Babble: It refers to the continuous and often meaningless or incomprehensible chatter or speech.

Sense: It refers to rational, meaningful, and coherent thought or speech.

 Among the options, sense is the antonym that best contrasts with the idea of babbling, as it implies clear and rational communication.

The meanings of the other words are:

• Jargon: It is a specialised terminology or language used in a particular field, trade, or profession.

• Drivel: It refers to nonsensical or foolish talk, similar to babble but often implying a sense of being trivial or silly.

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• Gibberish: It refers to unintelligible or nonsensical language.

Therefore, the most appropriate antonym for babble in the given options is sense.