wheedle

To cajole or attempt to persuade by flattery.

I’d like one of those, too, if you can wheedle him into telling you where he got it.

[…]whether, after preventing her from being the wife of Sir Walter, he may not be wheedled and caressed at last into making her the wife of Sir William.

To obtain by flattery, guile, or trickery.

If the worſt come to the worſt,—I'll turn my Wife to Graſs—I already have a deed of Settlement of the beſt part of her Eſtate; which I wheadl'd out of her; [...]

She tore off my cap, scratched, kicked, and buffetted me, till she had exhausted her strength, declaring, as she rested her arm, ‘that I had wheedled her husband from her.

A coaxing person.