Presumption

/prɪˈzʌmpʃən/

Meaning & Definition

noun

An idea that is taken to be true on the basis of probability; a belief or assumption that something is true.

The presumption that all students understand the material may lead to gaps in learning.

A legal assumption that something is true until it is proven otherwise.

In the courtroom, the presumption of innocence is a fundamental principle of justice.

A behavior or attitude that suggests someone is acting with unwarranted confidence or authority.

Her presumption in assuming she would be promoted without any competition surprised her colleagues.

Late Middle English: from Old French 'presomption', from Latin 'praesumptio(n-)', from 'praesumere' meaning 'to take for granted'.

presumption of innocence

The legal principle that one is considered innocent until proven guilty.

presumption of guilt

The assumption that someone is guilty until proven innocent, opposite of the presumption of innocence.

a presumption in favor of

An assumption that supports a positive conclusion about something.

assume

To take for granted or without proof.

guess

To form an opinion or estimate without sufficient information.

hypothesis

A proposed explanation that can be tested.

Taking it for granted.

He has a presumption that he’ll get the job just because he knows someone.

Jumping to conclusions.

Her presumption that I was upset was totally off base.