proof

Definitions

Evidence or argument establishing a fact or the truth of a statement.

A logical or mathematical demonstration that a theorem or statement is true.

A trial impression of a page or photograph used to check for errors before final printing.

Examples

The scientist provided clear proof that the theory was correct.

Do you have any proof that you were at the office last night?

The baker needs proof that the yeast is active before adding the flour.

Synonyms

evidence verification confirmation demonstration testimony validation corroboration

Antonyms

disproof refutation contradiction uncertainty conjecture speculation guess