Supposition: meaning, definitions and examples

Used when something is assumed or hypothesized without strong evidence, often for theoretical purposes.

• His supposition about the cause of the problem turned out to be correct.
• We can't base our decisions on mere supposition.

Refers to something that is accepted as true or certain to happen, often without proof, and can be a foundational belief or starting point for further reasoning.

• Her plan was based on the assumption that the weather would be good.
• The scientist made an assumption that the sample sizes were representative.

Used when something is accepted as true based on probability or reasonable grounds but without certain proof. It often carries a sense of overconfidence or arrogance.

• His presumption that everyone agreed with him was mistaken.
• It's a presumption to think you know what someone else is thinking.

Indicates forming an opinion or conclusion without sufficient information or evidence. It often involves a sense of uncertainty or randomness.

• I can only make a guess about how much this will cost.
• He took a guess at her age, hoping he was right.

Employed when someone forms a theory or conjecture without firm evidence, often related to financial or future events, and carries a sense of uncertainty or risk.

• There is a lot of speculation about the future of the company.
• The media engaged in speculation about the celebrity's personal life.

Used in formal or academic discussions to indicate something assumed to be true without proof.

• His argument is based on the supposition that all men are created equal.
• The theory stands on highly speculative suppositions.

Used in legal or logical discussions to indicate something taken to be true until proven otherwise, can sometimes have a negative connotation.

• There is a legal presumption of innocence until proven guilty.
• His presumption that he would get the job was unfounded.

Implies forming an opinion or conclusion based on incomplete information, often used in scientific or analytical discussions.

• The scientist made a conjecture about the possible outcomes of the experiment.
• Much of the report was based on conjecture rather than solid facts.

Informal term used to indicate a quick or spontaneous assumption without much information.

• I've never been to New York, but if I had to guess, I'd say it’s very busy.
• Take a guess at how many candies are in the jar.

Refers to something accepted as true or real, often used in personal, religious, or philosophical contexts.

• Her belief in a higher power gives her comfort during tough times.
• I have a strong belief that honesty is the best policy.