Source : Webster's Revised Unabridged Dictionary (1913)

Advisable \Ad*vis"a*ble\, a.
   1. Proper to be advised or to be done; expedient; prudent.

            Some judge it advisable for a man to account with
            his heart every day.                  --South.

   2. Ready to receive advice. [R.] --South.

   Syn: Expedient; proper; desirable; befitting.

Source : WordNet®

advisable
     adj : worthy of being recommended or suggested; prudent or wise;
           "such action is neither necessary nor advisable";
           "extreme caution is advisable"; "it is advisable to
           telephone first" [ant: {inadvisable}]