ac·com·mo·date / əˈkäməˌdāt/ • v. [tr.] 1. (of physical space, esp. a building) provide lodging or sufficient space for: the cabins accommodate up to 6 people.2. fit in with the wishes or needs of: any language must accommodate new concepts. ∎  [intr.] (accommodate to) adapt to: making consumers accommodate to the realities of today's marketplace.DERIVATIVES: ac·com·mo·da·tive / -ˌdātiv/ adj.

accommodate XVI. f. pp. stem of L. accommodāre, f. AC- + commodus; see COMMODIOUS, -ATE2.
So accommodation XVII. — F. or L.