Pre-suasion is the practice ...

Pre-suasion is the practice of getting people sympathetic to your message before they experience it. It's the ability to cause people to have something at the top of their consciousness that makes them receptive to your message that's yet to come.
 Robert Cialdini

Quotes from the same author

The obligation to receive reduces our ability to choose whom we wish to be indebted to and puts that power in the hands of others.
 Robert Cialdini
At the beginning of each lecture I say, 'Here's a set of events unexplainable by common sense, and I promise you'll be able to solve this mystery at the end of class.'
 Robert Cialdini
There is a group of people who know very well where the weapons of automatic influence lie and employ them regularly and expertly to get what they want. They go from social encounter to social encounter requesting others to comply with their wishes; their frequency of success is dazzling.
 Robert Cialdini
We will use the actions of others to decide on proper behavior for ourselves, especially when we view those others as similar to ourselves
 Robert Cialdini