ded·i·cate / ˈdediˌkāt/ • v. [tr.] devote (time, effort, or oneself) to a particular task or purpose. ∎  devote (something) to a particular subject or purpose. ∎  (usu. be dedicated) cite (a book or other work) as being issued or performed in someone's honor. ∎  open (a building or other facility) formally for public use. ∎  (usu. be dedicated) ceremonially assign (a church or other building) to a deity or saint.DERIVATIVES: ded·i·ca·tee / ˌdedikāˈtē/ n.ded·i·ca·tor / -ˌkātər/ n.ded·i·ca·to·ry / -kəˌtôrē/ adj.

dedicate devote to the service of a deity XV; assign to an end or purpose XVI. f. pp. stem of L. dēdicāre proclaim, devote, consecrate, f. DE- 2 + dic-, weak var. of dīc- say (cf. DICTION); see -ATE 3.
So dedication XIV. — (O)F. or L.