ca·jole / kəˈjōl/ • v. [tr.] (often cajole someone into doing something) persuade someone to do something by sustained coaxing or flattery: he hoped to cajole her into selling the house | [intr.] she pleaded and cajoled as she tried to win his support. DERIVATIVES: ca·jole·ment n.ca·jol·er·y n.

cajole delude by flattery, etc. XVII. — F. cajoler, perh. a blend of two or more words (cf. cageoller, cajoller XVI chatter like a jay, prate, babble, and enjôler put in GAOL, inveigle, allure).
So cajolery XVII.