The Collaborative International Dictionary of English v.0.48:

Nourishment \Nour"ish*ment\, n. [Cf. OF. norrissement.]
   [1913 Webster]
   1. The act of nourishing, or the state of being nourished;
      nutrition.
      [1913 Webster]

   2. That which serves to nourish; nutriment; food.
      [1913 Webster]

            Learn to seek the nourishment of their souls.
                                                  --Hooker.
      [1913 Webster]

WordNet (r) 3.0 (2006):

nourishment
    n 1: a source of materials to nourish the body [syn:
         nutriment, nourishment, nutrition, sustenance,
         aliment, alimentation, victuals]
    2: the act of nourishing; "her nourishment of the orphans saved
       many lives"