pur·po·sive /ˈpɝpəsɪv, (ˌ)pɚ/
(a.)有目的的,故意的
Pur·po·sive a. Having or indicating purpose or design. “Purposive characters.”
Purposive modification of structure in a bone. --Owen.
It is impossible that the frog should perform actions morepurposive than these. --Huxley.
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purposive
adj 1: having or showing or acting with a purpose or design;
"purposive behavior"
2: having a purpose; "purposive behavior" [syn: goal-directed]