The Collaborative International Dictionary of English v.0.48:

Conducive \Con*du"cive\ (k[o^]n*d[=u]"s[i^]v), a.
   Loading or tending; helpful; contributive; tending to
   promote.
   [1913 Webster]

         However conducive to the good or our country.
                                                  --Addison.
   [1913 Webster]

WordNet (r) 3.0 (2006):

conducive
    adj 1: tending to bring about; being partly responsible for;
           "working conditions are not conducive to productivity";
           "the seaport was a contributing factor in the growth of
           the city"; "a contributory factor" [syn: conducive,
           contributing(a), contributive, contributory,
           tributary]