Presumption Common

an assumption that is taken for granted

"The team proceeded without waiting for confirmation, operating entirely on a presumption that the server was still online."

(law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed

"The judge ruled in favor of the plaintiff because the presumption that the driver was negligent held true given the speed and weather conditions."

audacious (even arrogant) behavior that you have no right to

"he despised them for their presumptuousness"

a kind of discourtesy in the form of an act of presuming

"his presumption was intolerable"

the act of presuming, or something presumed

"The court dismissed his claim based on a mere presumption that he had received the payment when no confirmation was ever sent."