Assumption

Definition

Assumption refers to the act of taking something as true without proof, or a belief or premise accepted as a basis for reasoning. It can also mean the act of taking control or responsibility.

Parts of Speech

• Noun

Pronunciation

American and British English

• IPA Pronunciation: /əˈsʌmpʃən/
• Respelling: uh-SUMP-shuhn

Etymology

The word "assumption" originates from the Latin "assumptio," meaning "a taking up" or "adoption." This is derived from "assumere," meaning "to take up, adopt, or assume." The term entered Middle English in the 14th century with meanings related to both belief and the action of taking on responsibility.

Derivatives

• Assume (verb)
• Assumptive (adjective)
• Assumed (adjective)
• Assumingly (adverb)
• Reassumption (noun)

Synonyms

• Presumption
• Belief
• Supposition

Antonyms

• Fact
• Proof
• Verification

Usage

The noun "assumption" is commonly used to indicate beliefs or premises taken for granted without direct evidence, as in "Her assumption about his intentions was incorrect." It can also be used to describe the act of taking on a role or responsibility, for example, "His assumption of leadership was well-received by the team."

Related Terms

• Hypothesis: A supposition or proposed explanation made on limited evidence as a starting point for further investigation.
• Inference: A conclusion reached based on evidence and reasoning.
• Acceptance: The action or process of taking something as valid or correct.

Detailed Definitions

Noun

• A thing that is accepted as true without proof: Refers to a belief or premise taken for granted, often used in reasoning or argument.
  • Example: "The plan was based on the assumption that resources would be available."
• The act of taking on responsibility or control: Describes the action of adopting a role or position, especially formally.
  • Example: "Her assumption of the role of manager marked a new chapter in her career."