1. (n.) Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.

2. (n.) That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.

3. (n.) The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.

4. (n.) Firmness of mind; stability not to be shaken.

5. (n.) A trial impression, as from type, taken for correction or examination; -- called also proof sheet.

6. (n.) A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.

7. (v. t.) Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.

8. (a.) Used in proving or testing; as, a proof load, or proof charge.

9. (a.) Firm or successful in resisting; as, proof against harm; waterproof; bombproof.

10. (a.) Being of a certain standard as to strength; -- said of alcoholic liquors.

Christophany Ditto copy Photostat Satanophany Xerox Xerox copy absolute indication account acid test acquaintance affirmation airtight ammunition angelophany announcement appearance argument assay attestation authentication avatar backing backing up ballproof basis for belief bearing out blank determination blue blue book blueprint body of evidence bolstering bombproof briefing bring out brouillon bulletin bulletproof burden of proof burglarproof buttressing certification chain of evidence circumstantiation clue cold-type proof color proof communication communique computer proof conclusive evidence confirmation contact print corroboration corroboratory evidence corrosionproof criterion crucial test crucible damning evidence dampproof data datum deduction deductive reasoning demonstration determination directory disclosure discourse discourse of reason discursive reason dispatch dissemination docimasy document documentation embodiment engrave enlargement enlightenment epiphany essay establishment evidence evincement exhibit expression fact facts factual information familiarization feeling out fire-resisting fireproof first draft flameproof foolproof fortification foundry proof galley galley proof gen general information get out ground grounds grounds for belief guidebook handout hard information hectograph hectograph copy hermetic holeproof impenetrable impervious impervious to impregnable impress impression imprint incarnation incidental information incontrovertible evidence indication indisputable evidence induction inductive reasoning info information instruction insulate intelligence ironclad proof issue item of evidence kiteflying knowledge leakproof light logical thought manifestation mark material grounds materialization measure mention message mimeograph mimeograph copy multigraph muniments mute witness negative noiseproof notice notification offprint onus onus probandi ordeal overprint page proof philosophy photocopy photograph photostatic copy piece of evidence plate proof pneumatophany positive premises presentation press proof print probation progressive proof promotional material proof against proof before letter proof sheet protective prove proving proving out publication publicity publish pull pull a proof punctureproof put out put to bed put to press ratification ratiocination rationalism rationality rationalization rationalizing reason reason to believe reasonableness reasoning reinforcement reissue release relevant fact report reprint repro proof resistant revelation revise rough draft rough sketch run run off rustproof settlement shatterproof shellproof sidelight sign slip sophistry sounding out soundproof specious reasoning stamp standard stat statement stone proof strengthening strike strong substantiation support supporting evidence sure sign sweet reason symptom tempered test test case testament testimonial testimony the dope the goods the know the scoop


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