Definition of "ordain"

ordain

/ɔɹˈdeɪn/

verb
third-person singular simple present ordains, present participle ordaining, simple past and past participle ordained
1. To prearrange unalterably.
  Quotations
  What if the Foot, ordain'd the duſt to tread, / Or Hand, to toil, aſpir'd to be the Head? / What if the Head, the Eye, or Ear repin'd / To ſerve mere Engines to the ruling Mind?
  1733, [Alexander Pope], An Essay on Man. […], epistle I, London: Printed for J[ohn] Wilford, […], page 15, lines 248–251
2. To decree.
  Quotations
  On once more we swung, bumping uneasily along in the antique narrow-gauge coach, with gloomy woods and gathering night outside, shouts and songs (and quacks) inside—this was not at all the sort of train ordained by the logical strategists in Paris—then grinding to a stop at a mysterious halt which was no more than a nameboard in the pinewoods, without even a footpath leading to it, but nevertheless with a solitary passenger stolidly waiting.
  1961 November, H. G. Ellison, P. G. Barlow, “Journey through France: Part One”, in Trains Illustrated, page 668
3. (religion) To admit into the ministry, for example as a priest, bishop, minister or Buddhist monk, or to authorize as a rabbi.
4. To predestine.