thought-provoking

thought-provoking (comparative more thought-provoking, superlative most thought-provoking)

1. Interesting in a way that challenges one's beliefs, attitudes, or perspective.
   • 2015, Jeanne M. Machado, Early Childhood Experiences in Language Arts, →ISBN:

     Of course, many other thought-provoking questions are possible. When using this approach, one would preplan an ending “why” question or questions. It could be some of the ones that follow or others that might be more thought-provoking or age appropriate for a particular group of children.