work together on a common enterprise of project; "The soprano and the pianist did not get together very well"; "We joined forces with another research group"
cooperate as a traitor; "he collaborated with the Nazis when they occupied Paris"
make an oral contract or agreement in the verbal form of question and answer that is necessary to give it legal force
specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement; "The will stipulates that she can live in the house for the rest of her life"; "The contract stipulates the dates of the payments"
give a guarantee or promise of; "They stipulated to release all the prisoners"
leave behind empty; move out of; "You must vacate your office by tonight"
leave (a job, post, or position) voluntarily; "She vacated the position when she got pregnant"; "The chairman resigned when he was found to have misappropriated funds"
a concerted campaign to end something that is injurious; "the war on poverty"; "the war against crime"
the waging of armed conflict against an enemy; "thousands of people were killed in the war"
an active struggle between competing entities; "a price war"; "a war of wits"; "diplomatic warfare"
a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply; "war was declared in November but actual fighting did not begin until the following spring"
involving or likely to cause controversy; "a central and contentious element of the book"- Tim W.Ferfuson
inclined or showing an inclination to dispute or disagree, even to engage in law suits; "a style described as abrasive and contentious"; "a disputatious lawyer"; "a litigious and acrimonious spirit"