triv·i·al·ize [ trívvee ə lz ](past and past participletriv·i·al·ized, present participletriv·i·al·iz·ing, 3rd person present singulartriv·i·al·iz·es)
transitive verb
Definition:
reduce importance or value of something: to treat something as, or make it appear, less serious, important, or valuable than it really is