The correct answer is (C) To coax; to persuade or soothe by promise or with flattery, deceit, etc.; to coax; to wheedle; to attempt to win over by playing on the sympathies of.

Cajole comes from French cajoler (to cajole), Latin careola

Examples of use:

• He cajoled the donor into increasing his contribution.
• They tried to cajole him to leave without creating an incident.