The Collaborative International Dictionary of English v.0.48:

Lawmaking \Law"mak`ing\ (l[add]"m[=a]`k[i^]ng), a.
   Enacting laws; legislative. -- n. The enacting of laws;
   legislation.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lawmaking
    n 1: the act of making or enacting laws [syn: legislation,
         legislating, lawmaking]

Moby Thesaurus II by Grady Ward, 1.0:

19 Moby Thesaurus words for "lawmaking":
   act, bicameral, concurrent resolution, congressional, constitution,
   deliberative, enaction, enactment, joint resolution, legislation,
   legislative, legislatorial, legislature, parliamentary, passage,
   passing, resolution, senatorial, unicameral