wheedle
Definitions
To use flattery or coaxing in order to persuade someone to do something or give one something.
To obtain something through persistent, artful, or wheedling persuasion.
Examples
She tried to wheedle her way into the exclusive party by flattering the security guard.
The clever child managed to wheedle an extra cookie out of his grandmother.
He attempted to wheedle a promotion from his boss by constantly praising her leadership skills.