If you find something inspiring, it is stimulating your spirit and making you feel hopeful and ready to do something. Do you find documentaries about overcoming struggle inspiring, or is a sale at the mall more inspiring to you?
Inspiring is the adjective form of the verb inspire, which comes from the Latin word for "breath." When something is inspiring, it's as if the breath of life is coming into your body. People often describe religious experiences as inspiring, as well as stories about people who didn't give in to hardships that would have stopped other people. A majestic natural scene might be inspiring to you. An inspiring teacher gets her students excited about the subject.