avuncular

adjective2

1. •
   In the manner of an uncle, pertaining to an uncle.

   • Both uncle Frank and uncle Stephen Austen had made it a point of principle to be rigorously unsentimental in the discharge of their avuncular obligations. — 1997
2. •
   Kind, genial, benevolent, or tolerant.

   • But Jackson had an avuncular feeling for the two younger men and he assumed it was his duty to pull them from their gloom. — 1970