amerikai:
brit:
1. A state of being acquainted with a person; originally indicating friendship, intimacy, but now suggesting a slight knowledge less deep than that of friendship; acquaintanceship.
I know of the man; but have no acquaintance with him.
2. A person or persons with whom one is acquainted.
3. Such people collectively; one's circle of acquaintances (with plural concord).
4. Personal knowledge (with a specific subject etc.).