to use flattery or deceit to persuade, get information etc from, (a person)

attempt to coax; flatter

to persuade (a person or thing) to do something by using kindness, encouragement etc

persuade

to show (too) much fondness (for)

show excessive fondness

to ask (a person) earnestly

plead with

to praise (a person) too much or insincerely (in order to please)

compliment excessively

to behave in a way that shows one has no self-respect

abase, demean oneself

to make oneself likes, especially in order to gain an advantage

get on the good side of someone

to make (a person) feel certain about, believe something

cause to believe; convince to do

to be pleasant to (a person) to get (something) one wants

talk into