"Suspension of disbelief" means putting aside natural skepticism. To enjoy a Harry Potter book or film you have to be willing to accept the reality of magic, even though this isn't something you do otherwise. "Suspension of belief" is a philosophical term involved in discussing skepticism and the basis for accepting or rejecting propositions.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.