gradually persuade somebody to do something
cajole - persuade
To ‘cajole’ does not simply mean to persuade. It specifies persistence and a process. For this term to be applicable, you would need to encourage somebody to do something they are reluctant to do, and employ flattery, gentle urging, or incentives to try to convince them.
Chris is an arch-manipulator. He really knows how to cajole others into doing what he wants.
I didn’t want to go and see that movie on my own, so I cajoled a couple of my friends into going with me.
Jane has spent the past week cajoling me to help out at the homeless shelter this weekend. I will probably have to give in.