SITE DEFINITION

PROOF (noun)

Evidences or arguments establishing a statement (hypothesis or opinion) to be valid, factually accurate, or true.

The following words can be used as synonyms in particular contexts,

Authentication, Validation, Verification

The following terms are often used as synonyms in particular contexts, although they are not truly proofs as such, but merely evidences:

Attestation, Certification, Confirmation, Corroboration, Demonstration, Evidence, Testament, Substantiation, Witness

To PROVE (verb)

means to provide PROOF

Extended discussion link.

The word PROOF also has other distinct meanings: 

a trial impression of a page, taken from type or film and used for making corrections before final printing.

synonyms:page proof, galley proof, galley, pull, slip, trial print; 

example "a desk strewn with the proofs of a book he was correcting"

In this sense the verb form “to proof read”, means to review for errors and may include correcting or revising.

A photographic image

adjective

1. able to withstand something damaging; resistant.

the armour was proof against most weapons of that period

the overcoat was waterproof against the heavy rain

in this sense synonyms: resistant, impenetrable, impervious, repellent

2. denoting a trial impression of a page or printed work.

a proof copy has been printed and forwarded for proof reading.

verb

1. 1.

   make (fabric) waterproof.

   "the flysheet is made from proofed nylon"

2. 2.

   make a proof of (a printed work, engraving, etc.).

   "proofing could be done on a low-cost printer"