cajoler
/kəˈdʒoʊlər/
noun
- A person who persuades others using flattery, gentle urging, or promises.
- The cajoler in the group always managed to talk the teacher into extending the deadline.
- She was a natural cajoler, able to get her way with a smile and a kind word.
- The smooth-talking cajoler convinced everyone to donate to the cause.