= provable, adj. (in various senses).

Capable of being proved; of which the truth or validity can be established; demonstrable.

Capable of being shown or demonstrated.

Able to be proved; demonstrable, provable. Obsolete.

Of a theory, proposition, etc.: capable of being proved by logical reasoning or deduction or (in later use) by the presentation of evidence.

Supported or justified by good evidence or convincing reasoning; well-founded. Of an assertion, etc.

Capable of being verified or proved true. Obsolete.

That can be verified or proved to be true, authentic, accurate, or real; capable, admitting, or susceptible of verification.

= ostentatious, adj. (in various senses).

Demonstrable, evident. Cf. remonstrate, v. 1a.

Capable of being affirmed or asserted. Also with of.

Supported by proof or evidence; capable of being proved; demonstrable.

Capable of being proved; demonstrable. Now somewhat rare.

That may be deduced or inferred.

Capable of being declared, shown, or made known.

That may be evidenced; capable of being demonstrated, shown, or proved.

Of proofs: Demonstrative, convincing. Obsolete.

= demonstrable, adj.

That can be established or made secure.