WordNet sense 1 (having made preparations):

disposed, fain, inclined

WordNet sense 2 (disposed or inclined toward):

willing

WordNet sense 3 ((usually followed by `on' or `for') in readiness):

up

WordNet sense 4 (brought into readiness):

ready

WordNet sense 5 (subjected to a special process or treatment):

processed

WordNet sense 6 (prepared with proper equipment):

equipped

WordNet sense 7 (provided or fitted out with what is necessary or useful or appropriate):

equipt