WordNet (r) 3.0 (2006):

prefabricate
    v 1: to manufacture sections of (a building), especially in a
         factory, so that they can be easily transported to and
         rapidly assembled on a building site of buildings [syn:
         prefabricate, preassemble]
    2: produce synthetically, artificially, or stereotypically and
       unoriginally

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "prefabricate":
   assemble, build, cast, compose, compound, concoct, construct,
   create, devise, elaborate, erect, evolve, extrude, fabricate,
   fashion, form, formulate, frame, fudge together, get up, indite,
   make, make up, manufacture, mature, mold, patch together,
   piece together, prepare, produce, put together, put up, raise,
   rear, run up, set up, shape, whomp up, write