The definition of a manifesto is a public declaration of a plan that will affect the public.
An example of a manifesto is an announcement of a new plan for the local government to reduce crime.
manifesto definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. manifestoes or manifestos
a public declaration of motives and intentions by a government or by a person or group regarded as having some public importance
Origin: Italian ; from manifestare, manifest
manifesto definition by American Heritage Dictionary
noun pl. man·i·fes·toes
A public declaration of principles, policies, or intentions, especially of a political nature. intransitive verb man·i·fes·toed
To issue such a declaration.
Origin: Italian, from Latin manifestus, clear, evident; see manifest.