The Collaborative International Dictionary of English v.0.48:

Legislate \Leg"is*late\ (l[e^]j"[i^]s*l[=a]t), v. i. [imp. & p.
   p. Legislated (-l[=a]`t[e^]d); p. pr. & vb. n.
   Legislating (-l[=a]`t[i^]ng).] [See Legislator.]
   To make or enact a law or laws.
   [1913 Webster]

         Solon, in legislating for the Athenians, had an idea of
         a more perfect constitution than he gave them. --Bp.
                                                  Watson (1805).
   [1913 Webster]

WordNet (r) 3.0 (2006):

legislate
    v 1: make laws, bills, etc. or bring into effect by legislation;
         "They passed the amendment"; "We cannot legislate how
         people spend their free time" [syn: legislate, pass]