Select the most appropriate ANTONYM of the given word.
Foment

Correct option is D

The correct antonym of the given word is "Regulate."
· Foment (verb): To instigate or stir up trouble, rebellion, or unrest. 
· Example: "The leader was accused of fomenting violence in the city."
· Regulate (verb): To control, direct, or manage something systematically. 
· Example: "The government must regulate online content to prevent misinformation."
Synonyms of Foment:
· Instigate, provoke, incite, agitate
Antonyms of Foment:
· Regulate, suppress, restrain, prevent
Meanings of all the other given options:
· (a) Proximity – Nearness or closeness to something
· (b) Remoteness – Being far away or distant 
· (c) Separation – Act of being apart from something
Thus, the correct antonym is "Regulate."