n.: set on, (make a) surprise attack, make a descent upon, have at sb., make an invasion upon, make a pass at sb., seize on [upon], set on [upon], spring on [upon], strike at, sudden attack, sweep over, offer violence to, sudden attack, esp to obtain sth, make a foray, storm, descent, foray, incursion, inroad, outfall, fall on/upon
assault, aggression, fall upon, annoy, sth, jeopardize, nuisance, face to face offensive, commando, rush, sudden violent attack, sudden attack on another's territory, offensive