Synonym of MOLLIFY

Answer: Option B

Flatter : lavish praise and compliments on (someone), often insincerely and with the aim of furthering one's own interests.
Appease : pacify or placate (someone) by acceding to their demands.
Sympathise : feel or express sympathy.
Avenge : inflict harm in return for (an injury or wrong done to oneself or another).
Mollify : appease the anger or anxiety of (someone).

Synonym of Mollify is Appease