1.Definition: a casual manner

Related Noun(s):casualness

Category: General

2.Definition: an act of undue intimacy

Related Noun(s):impropriety, indecorum, liberty

Category: General

3.Definition: close or warm friendship

Related Noun(s):closeness

Category: General

4.Definition: personal knowledge or information about someone or something

Related Noun(s):acquaintance, conversance, conversancy

Category: General

5.Definition: usualness by virtue of being familiar or well known

Category: General