Meaning : Command against.
Example :
I forbid you to call me late at night.
Mother vetoed the trip to the chocolate store.
Dad nixed our plans.
Synonyms : disallow, forbid, interdict, nix, prohibit, proscribe
Consent to, give permission.
She permitted her son to visit her estranged husband.Meaning : A vote that blocks a decision.
Meaning : 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).