The Collaborative International Dictionary of English v.0.48:
Mother \Moth"er\, v. t. [imp. & p. p. Mothered; p. pr. & vb.
   n. Mothering.]
   To adopt as a son or daughter; to perform the duties of a
   mother to.
   [1913 Webster]
         The queen, to have put lady Elizabeth besides the
         crown, would have mothered another body's child.
                                                  --Howell.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Mothering \Moth"er*ing\, n.
   A rural custom in England, of visiting one's parents on
   Midlent Sunday, -- supposed to have been originally visiting
   the mother church to make offerings at the high altar.
   [1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
26 Moby Thesaurus words for "mothering":
   TLC, bread, care, daily bread, economic support, endowment, keep,
   livelihood, living, maintenance, manna, meat, nourishment, nurture,
   price support, provision, subsidization, subsidy, subsistence,
   subvention, support, sustainment, sustenance, sustentation,
   tender loving care, upkeep