attest

As verbs the difference between attest and demonstrate

is that attest is to affirm to be correct, true, or genuine while demonstrate is to display the method of using an object.

As a verb attest

is to affirm to be correct, true, or genuine.

As an adjective testy is

easily annoyed, irritable.

Exhibit is a related term of attest.

As verbs the difference between exhibit and attest

is that exhibit is to display or show (something) for others to see, especially at an exhibition or contest while attest is to affirm to be correct, true, or genuine.

As a noun exhibit

is an instance of.

Recognize is a related term of attest.

As verbs the difference between recognize and attest

is that recognize is to match something or someone which one currently perceives to a memory of some previous encounter with the same entity or recognize can be to cognize again while attest is to affirm to be correct, true, or genuine.

As verbs the difference between attest and warrant

is that attest is to affirm to be correct, true, or genuine while warrant is to protect, keep safe (from danger).

As a noun warrant is

a protector or defender.

As verbs the difference between attest and claim

is that attest is to affirm to be correct, true, or genuine while claim is to demand ownership of.

As a noun claim is

a demand of ownership made for something (e.g. claim ownership, claim victory).

Own is a related term of attest.

As verbs the difference between own and attest

is that own is (lb) to have rightful possession of (property, goods or capital); "to possess by right; to have the right of property in; to have the legal right or rightful title to" (ref 1) or own can be (obsolete) to grant; give while attest is to affirm to be correct, true, or genuine.

As an adjective own

is belonging to; possessed; proper to.

Attest is a related term of asseverate.

As verbs the difference between attest and asseverate

is that attest is to affirm to be correct, true, or genuine while asseverate is to declare earnestly, seriously, or positively; to affirm.

Concede is a related term of attest.

As verbs the difference between concede and attest

is that concede is while attest is to affirm to be correct, true, or genuine.

Confess is a synonym of attest.

As verbs the difference between confess and attest

is that confess is (senseid) to admit to the truth, particularly in the context of sins or crimes committed while attest is to affirm to be correct, true, or genuine.