Such people collectively; one's circle of acquaintances (with plural concord).
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.
Personal knowledge (with a specific subject etc.).
A person or persons with whom one is acquainted.
A baseball club, team, or lineup (composed of nine players).
A playing card with nine pips.
The digit or figure 9.
A nine-millimeter semi-automatic pistol.
A statistical unit of proportion (of reliability, purity, etc.).
Describing a group or set with nine elements.
A numerical value equal to 9; the number following eight and preceding ten.