Main entry: liberty, familiarity, indecorum, impropriety
Definition: an act of undue intimacy
Main entry: familiarity, intimacy, closeness
Definition: close or warm friendship
Usage: the absence of fences created a mysterious intimacy in which no one knew privacy
Main entry: familiarity
Definition: usualness by virtue of being familiar or well known
Main entry: familiarity, casualness
Definition: a casual manner
Main entry: conversance, conversancy, familiarity, acquaintance
Definition: personal knowledge or information about someone or something