whee·dle 
(wēdl, hwēdl)
(wēdl, hwēdl)v. whee·dled, whee·dling, whee·dles
v.tr.
1. To obtain through the use of flattery or guile: a swindler who wheedled my life savings out of me.
2. To persuade or attempt to persuade by flattery or guile; cajole: "They could marry on the fortune Miss Starling had wheedled her employer into leaving her" (W. Somerset Maugham).
v.intr.
To use flattery or cajolery to achieve one's ends.
[Origin unknown.]
wheedler n.
wheedling·ly adv.