veto -
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)
powerfulness,
power possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"
Verb
veto -
vote against; refuse to endorse; refuse to assent; "The President vetoed the bill"
countenance,
permit,
let,
allow consent to, give permission; "She permitted her son to visit her estranged husband"; "I won't let the police search her basement"; "I cannot allow you to see your exam"
A veto, Latin for "I forbid", is the power of an officer of the state to stop unilaterally a piece of legislation. In practice, the veto can be absolute (as in the U.N. Security Council, whose permanent members can block any resolution) or limited (as in the legislative process of the United States, where a two-thirds vote in both the House and Senate may override a Presidential veto of legislation).
OmegaWiki Dictionary
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veto To use one's influence or rights to prevent something from being done.
