If you consider yourself to be a people person, then you fully understand rapport.
Some useful synonyms are …
In the book Go-Givers Sell More, we are reminded of this poignant thought:
“What makes a great salesperson is his or her ability to create a bond with other people. A great conversation is one in which you find points of common interest, gracefully forge a bond through those interests, and allow the other person to shine.”
~Bob Burg & John David Mann
Rapport is essential in all human dealings.
P Michael Biggs
One Moment at a Time