If something is scholarly, it is like something a scholar would do or have. It is very smart and shows a lot of learning.
The word scholarly makes people think of books, schools, and very smart people.
Examples:
The scholarly book was very hard to read.
She has a scholarly way of talking.
He has a scholarly look about him.
The cat looked scholarly with its glasses on.
The scholarly man knew everything about everything.
The scholarly professor wrote many books.