1make (something) ready for use or consideration:prepare a brief summary of the article
(as adjective prepared) created in advance; pre-planned:the spokesman was reading a prepared statement
make (food or a meal) ready for cooking or eating:she was busy preparing lunch
make (a substance) by a chemical reaction or series of reactions:alkanes may be prepared by the removal of carbon dioxide from the corresponding carboxylic acid
2make (someone) ready or able to do or deal with something:schools should prepare children for life [no object]:she took time off to prepare for her exams
(be prepared to do something) be willing to do something:I wasn’t prepared to go along with that
3 Music (in conventional harmony) lead up to (a discord) by means of preparation.