v. present reasons and arguments

v. give evidence of; "The evidence argues for your claim"; "The results indicate the need for more work"

v. have an argument about something

v. maintain or assert; "He contended that Communism had no future"

v. present reasons and arguments

v. have an argument about something

v. disagree violently; "We clashed over the new farm policies"

v. ask for identification; "The illegal immigrant was challenged by the border guard"

v. speak with others about (something); talk (something) over in detail; have a discussion; "We discussed our household budget"

v. to make the subject of dispute, contention, or litigation; "They contested the outcome of the race"

v. defend, explain, clear away, or make excuses for by reasoning; "rationalize the child's seemingly crazy behavior"; "he rationalized his lack of success"

v. show to be reasonable or provide adequate ground for; "The emergency does not warrant all of us buying guns"; "The end justifies the means"

v. state emphatically and authoritatively; "He declared that he needed more money to carry out the task he was charged with"

v. to declare or affirm solemnly and formally as true; "Before God I swear I am innocent"

v. to declare or affirm solemnly and formally as true; "Before God I swear I am innocent"

v. report or maintain; "He alleged that he was the victim of a crime"; "He said it was too late to intervene in the war"; "The registrar says that I owe the school money"

v. be engaged in a fight; carry on a fight; "the tribesmen fought each other"; "Siblings are always fighting"; "Militant groups are contending for control of the country"

v. carry out a feud; "The two professors have been feuding for years"

v. behave in a certain way towards others; "He deals fairly with his employees"

v. consent or assent to a condition, or agree to do something; "She agreed to all my conditions"; "He agreed to leave her alone"

v. refuse to recognize or acknowledge; "Peter denied Jesus"

v. cooperate as a traitor; "he collaborated with the Nazis when they occupied Paris"