adjective. Of or having to do with an uncle.

adjective. Regarded as characteristic of an uncle, especially in benevolence or tolerance.

Of or pertaining to an uncle.

adjective. Of or pertaining to an uncle.

adjective. In the manner of an uncle, pertaining to an uncle.

adjective. Kind, genial, benevolent, or tolerant.

adjective. resembling a uncle in kindness or indulgence

adjective. being or relating to an uncle

"The former justice minister is known as an avuncular and soft-spoken man who quit the cabinet in the early days of the uprising and immediately joined the rebels in Benghazi."

materteral  

Ms.  benignant  brotherly  comradely  conciliatory