Got ready (7)
'got ready' is the definition.
('prepare' can be a synonym of 'get ready')
This is all the clue.
(Other definitions for prepared that I've seen before include "Made or got ready" , "Ready for action" , "edited" , "Waiting" , "All set" .)
(Other definitions for ripened that I've seen before include "Matured, aged" , "Became mature" , "(Of fruit) matured" .)