Thesaurus

(n) : a violent onset or attack with physical means, as blows, weapons, etc.; an onslaught; the rush or charge of an attacking force; onset; as, to make assault upon a man, a house, or a town; a violent onset or attack with moral weapons, as words, arguments, appeals, and the like; as, to make an assault on the prerogatives of a prince, or on the constitution of a government

(v) : to attack, threaten or harass