1. (n.) A state of being acquainted, or of having intimate, or more than slight or superficial, knowledge; personal knowledge gained by intercourse short of that of friendship or intimacy; as, I know the man; but have no acquaintance with him.

2. (n.) A person or persons with whom one is acquainted.

account acquaintedness advocate alter ego amigo announcement appreciation apprehension associate awareness backer best friend blue book bosom friend briefing brother bulletin casual acquaintance close acquaintance close friend colleague communication communique companion comrade confidant confidante consciousness corpus crony data datum directory dispatch enlightenment evidence experience expertise facts factual base factual information familiar familiarity familiarization favorer fellow fellow creature fellowman friend gen general information grasp guidebook handout hard information incidental information info information inseparable friend instruction intelligence intimacy intimate introduction inwardness ken knockdown know-how knowing knowledge light lover mate mention message neighbor notice notification other self partisan pickup practical knowledge presentation private knowledge privity promotional material proof publication publicity ratio cognoscendi release report repository self-knowledge sidelight statement supporter sympathizer technic technics technique the dope the goods the know the scoop transmission understanding well-wisher white book white paper word