cajole
Definitions
To persuade someone to do something by sustained coaxing or flattery.
To deceive or wheedle someone with gentle, persistent urging.
Examples
He tried to cajole his sister into doing his chores by promising her a share of his allowance.
The salesman used flattery to cajole the hesitant customer into buying the more expensive model.
Despite her attempts to cajole the cat out from under the bed with treats, it refused to budge.