presumption

noun

• 1an act or instance of taking something to be true or adopting a particular attitude toward something, especially at the start of a chain of argument or action:the presumption of guilt has changed to a presumption of innocence
• an idea that is taken to be true, and often used as the basis for other ideas, although it is not known for certain:underlying presumptions about human nature
• chiefly Law an attitude adopted in law or as a matter of policy toward an action or proposal in the absence of acceptable reasons to the contrary:the planning policy shows a general presumption in favor of development

• 2behavior perceived as arrogant, disrespectful, and transgressing the limits of what is permitted or appropriate:he lifted her off the ground and she was enraged at his presumption