Definitions for "Ingratiation"
the act of gaining acceptance or affection for yourself by persuasive and subtle blandishments; "she refused to use insinuation in order to gain favor"
Salesperson may attempt to provide personal favors (eg. free lunch) to the customer to strengthen affiliation and reciprocity feelings.
the process whereby people flatter, praise, and generally try to make themselves likable to another, often higher-status person
Keywords:  saying, positive, things, get, someone
Saying positive things about someone in order to get them to like you.