A wheedler is someone who uses flattery or guile to cajole or persuade others into doing what they want. Some synonyms for "wheedler" include "sycophant," "flatterer," "charmer," "smooth talker," "manipulator," and "smooth operator." These individuals have a way of convincing others to comply with their requests, often using charm and false promises. A wheedler can also be described as a persuader, seducer, or a sweet-talker. They are manipulative individuals who know how to play on other's emotions to get what they want. However, it is important to be careful when dealing with a wheedler, as they may not have your best interests at heart.