wheedle
To sweet-talk someone into giving you what you want.
To wheedle means to persuade someone through flattery, charm, or persistent coaxing, usually to get something you want. When you wheedle your way into something, you're using smooth talk and appeals rather than direct demands or arguments.
Picture a student who wants to postpone a test. Instead of simply asking for a delay, they might wheedle their teacher by saying how much they admire the class, how they want to do their absolute best on such an important exam, and wouldn't it be wonderful if they had just one more day to show what they've truly learned? That's wheedling: mixing compliments with requests in a way that makes the other person want to say yes.
Parents know this technique well. A child might wheedle for a later bedtime by being extra helpful, extra sweet, and bringing up every good deed from the past week. The word suggests a kind of strategic sweetness, like you're trying to charm your way toward your goal.
Wheedling isn't quite lying, but it's not completely straightforward either. There's usually some manipulation involved, even if it's gentle. Someone might wheedle information out of you, wheedle permission for something, or wheedle their way into a group. The charm is real, but so is the agenda behind it.