The Collaborative International Dictionary of English v.0.48:

Ministration \Min`is*tra"tion\, n. [L. ministratio, fr.
   ministrare.]
   The act of ministering; service; ministry. "The days of his
   ministration." --Luke i. 23.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ministration
    n 1: assistance in time of difficulty; "the contributions
         provided some relief for the victims" [syn: relief,
         succor, succour, ministration]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "ministration":
   aid, assistance, attendance, benefit, comfort, ease, employ,
   employment, good offices, help, ministry, office, offices, peonage,
   protection, relief, remedy, rescue, serfdom, service, servitium,
   servitorship, servitude, slavery, succor, support, tendance,
   therapy