noun: the power or right to prohibit or reject a proposed or intended act (especially the power of a chief executive to reject a bill passed by the legislature)
verb: vote against; refuse to endorse; refuse to assent
Example: "The President vetoed the bill"
verb: command against
Example: "Mother vetoed the trip to the chocolate store"
name: A surname (very rare: popularity rank in the U.S.: #66764)