Pu`tre·fac'tive adjective [ Confer putréfactif . See Putrefy .] 1. Of or pertaining to putrefaction; as, the putrefactive smell or process. Wiseman. 2. Causing, or tending to promote, putrefaction. -- Pu``tre*fac'tive*ness , ... Found on http://www.encyclo.co.uk/webster/P/201