Synonym of ASSUAGE

Answer: Option C

Rub : apply firm pressure to the surface of (something), using a repeated back and forth motion.
Prohibit : formally forbid (something) by law, rule, or other authority.
Ease : absence of difficulty or effort.
Enlarge : make or become larger or more extensive.
Assuage : make (an unpleasant feeling) less intense.

Synonym of Assuage is Ease