Anodyne
Context: Instead he emphasized the anodyne concept of "unity." Source: National Review; Feb. 25, 2019; p. 28; Everyone a Conscript, by Jonah Goldberg. Anodyne: an·o·dyne [ˈanəˌdīn] ADJECTIVE not likely to provoke dissent or offense; inoffensive, often deliberately so. "anodyne New Age music." NOUN a painkilling drug or medicine.