To talk in a friendly way, especially to someone you want to impress or get something from.
Schmoozing can make people think of business meetings, networking, or trying to make friends.
Examples:
He likes to schmooze with the boss.
She's good at schmoozing with important people.
I saw him schmoozing with the clients at the party.
The cat tried to schmooze the dog into sharing its food.
The alien tried to schmooze the earthlings into giving him their spaceship.
She schmoozed her way into getting a promotion.