If you are installing the native Mac OS X LispWorks GUI, the installer asks if you wish to add LispWorks to the Mac OS X Dock. Click OK if you anticipate launching LispWorks frequently, or choose not to add LispWorks to the Dock by clicking Cancel .
Note: LispWorks may not be visible in the Dock until you restart the computer or log out and then log back in.
LispWorks Release Notes and Installation Guide - 23 Dec 2011