facile(adjective) –  : easily experienced or displayed and often insincere

source- http://www.wordcentral.com/cgi-bin/student?book=Student&va=facile

In chapter 3 of Quicksand by Nella Larsen it says, ” As she went slowly across the empty campus she was conscious of a vague tenderness for the scene spread out before her. It was so incredibly lovely, so appealing, and so facile.”

After searching the definition, i know the author used this word to describe what Helga was seeing. I understand that description is important for the reader so they can vision it.