[1] : The Collaborative International Dictionary of English v.0.48

fulfill \fulfill"\, v. t. imp.  p. p. fulfilled; p. pr. 
   vb. n. fulfilling. oe. fulfillen, fulfullen, as.
   fulfyllan; ful full + fyllan to fill. see full, a., and
   fill, v. t. written also fulfil.
   1. to fill up; to make full or complete. obs. "fulfill her
      week" --gen. xxix. 27.
      1913 webster

            suffer thou that the children be fulfilled first,
            for it is not good to take the bread of children and
            give to hounds.                       --wyclif mark
                                                  vii. 27.
      1913 webster

   2. to accomplish or carry into effect, as an intention,
      promise, or prophecy, a desire, prayer, or requirement,
      etc.; to complete by performance; to answer the
      requisitions of; to bring to pass, as a purpose or design;
      to effectuate.
      1913 webster

            he will, fulfill the desire of them fear him. --ps.
                                                  cxlv. 199.
      1913 webster

            here nature seems fulfilled in all her ends.
                                                  --milton.
      1913 webster

            servants must their masters' minds fulfill. --shak.
      1913 webster
see also:
fulfilled fulfilling full fill fulfil. 

[2] : WordNet (r) 2.0

fulfil
     v 1: put in effect; "carry out a task"; "execute the decision of
          the people"; "he actioned the operation" syn: carry
          through, accomplish, execute, carry out, action,
           fulfill
     2: fill or meet a want or need syn: meet, satisfy, fill,
         fulfill
     3: fulfil the requirements or expectations of syn: satisfy,
        fulfill, live up to ant: fall short of
     also: fulfilling, fulfilled
see also:
carry through accomplish execute carry out action fulfill 
meet satisfy fill live up to fall short of 
fulfilling fulfilled 

[3] : Moby Thesaurus II by Grady Ward, 1.0

32 moby thesaurus words for "fulfil":
   abide by, accomplish, achieve, answer, bring about, bring off,
   bring to completion, carry off, carry out, carry through,
   carry to completion, complete, comply with, conform to,
   conform with, consummate, discharge, do, effect, effectuate,
   execute, implement, keep, live up to, look to, meet, obey, observe,
   perform, realize, satisfy, see to

Fulfil >> F Words
Fulfil, definition of term: Fulfil
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