Synonym of GRATIFY

Option A: Frank
Frank means being open, honest, or straightforward in speech. This has no connection with the meaning of "gratify."

Option B: Appreciate
Appreciate means to recognize the value of something or to be thankful. While related to feelings of pleasure, it is not a direct synonym of "gratify."

Option C: Pacify
Pacify means to calm someone down or bring peace. This is different from "gratify," which is more about giving satisfaction or pleasure.

Option D: Indulge
Indulge means to allow oneself or someone else to enjoy the pleasure of something. This is the closest synonym to "gratify," as both imply giving satisfaction or fulfilling desires.

Explanation of the Answer:
The word GRATIFY means to give someone pleasure or satisfaction. The option that best matches this meaning is D: Indulge because both convey the idea of fulfilling desires or giving enjoyment.

Therefore, the correct answer is D: Indulge.