familiarity
US /fəˌmɪlˈjærɪti, -ˌmɪliˈær-/
・UK /fəˌmɪliˈærəti/
B1
noun
- Manner of talking or behaving
Examples
Over the years, he gained greater familiarity with the culture and way of life in the country.
He treated her with the easy familiarity of an equal.