The Collaborative International Dictionary of English v.0.48:

Humor \Hu"mor\, v. t. [imp. & p. p. Humored; p. pr. & vb. n.
   Humoring.]
   1. To comply with the humor of; to adjust matters so as suit
      the peculiarities, caprices, or exigencies of; to adapt
      one's self to; to indulge by skillful adaptation; as, to
      humor the mind.
      [1913 Webster]

            It is my part to invent, and the musician's to humor
            that invention.                       --Dryden.
      [1913 Webster]

   2. To help on by indulgence or compliant treatment; to
      soothe; to gratify; to please.
      [1913 Webster]

            You humor me when I am sick.          --Pope.

   Syn: To gratify; to indulge. See Gratify.
        [1913 Webster]

WordNet (r) 3.0 (2006):

humoring
    n 1: the act of indulging or gratifying a desire [syn:
         indulgence, indulging, pampering, humoring]