Wordnet 3.0
ADJECTIVE (2)
1. 
 having or showing or acting with a purpose or design; 
- Example: "purposive behavior"2. 
 having a purpose; 
- Example: "purposive behavior"[syn: goal-directed, purposive]
The Collaborative International Dictionary of English v.0.48:
Purposive \Pur"po*sive\, a.
   Having or indicating purpose or design. "Purposive
   characters." --Bastian.
   [1913 Webster]
         Purposive modification of structure in a bone. --Owen.
   [1913 Webster]
         It is impossible that the frog should perform actions
         morepurposive than these.                --Huxley.
   [1913 Webster]
WordNet (r) 3.0 (2006):
purposive
    adj 1: having or showing or acting with a purpose or design;
           "purposive behavior"
    2: having a purpose; "purposive behavior" [syn: goal-directed,
       purposive]