plau·sive /ˈplɔzɪv, sɪv/
  Plau·sive a.
  1. Applauding; manifesting praise.
  2. Plausible, specious. [Obs.]
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  plausive
       adj : expressing or manifesting praise or approval; "approbative
             criticism" [syn: approving, approbative, approbatory]