man·i·fes·to (mān'ə-fěs'tō) n.
pl.man·i·fes·toes or man·i·fes·tos A public declaration of principles, policies, or intentions, especially of a political nature. intr.v.
man·i·fes·toed, man·i·fes·to·ing, man·i·fes·toes To issue such a declaration.
[Italian, from Latin manifestus, clear, evident; see manifest.]
1644, from It. manifesto "public declaration explaining past actions and announcing the motive for forthcoming ones," originally "proof," from L. manifestus (see manifest).