cajole
Concise Oxford English Dictionary © 2008 Oxford University Press:
cajole /kəˈdʒəʊl/
▶verb persuade (someone) to do something by sustained coaxing or flattery.
– derivatives
cajolement noun,
cajolery noun.
cajolement noun,
cajolery noun.
– origin C17: from Fr. cajoler.
'cajole' also found in these Oxford entries:

