Synonyms of the word

attest

• v. To affirm to be correct, true, or genuine.
• v. To certify by signature or oath.
• v. To certify in an official capacity.
• v. To supply or be evidence of.
• v. To put under oath.
• v. To call to witness; to invoke.

affirm

• v. To agree, verify or concur; to answer positively.
• v. To assert positively; to tell with confidence; to aver; to maintain as true.
• v. To support or encourage.
• v. To make firm; to confirm, or ratify; especially (law) to assert or confirm, as a judgment, decree, or…

assert

• n. (computer science) an assertion; a section of source code which tests whether an expected condition is…
• v. To declare with assurance or plainly and strongly; to state positively.
• v. To use or exercise and thereby prove the existence of.
• v. To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to.
• v. (computer science) To make true; to make equal to 1.

aver

• n. (obsolete) Possessions, property, belongings, wealth.
• v. To assert the truth of, to affirm with confidence; to declare in a positive manner.
• v. (law) To prove or justify a plea.
• v. (obsolete) To avouch, prove, or verify; to offer to verify.
• n. (dialectal) A work-horse, working ox, or other beast of burden.

avow

• v. (transitive) To declare openly and boldly, as something believed to be right; to own, acknowledge or confess…
• v. (transitive) To bind or devote by a vow.
• v. (law) To acknowledge and justify, as an act done. See avowry.
• n. (obsolete) avowal.

certify

• v. (transitive) to attest to as the truth or meeting a standard.

declare

• v. (obsolete, transitive) To make clear, explain, interpret.
• v. (intransitive) To make a declaration.
• v. (transitive) To announce one’s support, choice, opinion, etc.
• v. (intransitive, cricket) For the captain of the batting side to announce the innings complete even though…
• v. (transitive) To announce something formally or officially.
• v. (intransitive, politics) For a constituency in an election to officially announce the result.
• v. (transitive) To affirm or state something emphatically.
• v. (transitive) To inform government customs or taxation officials of goods one is importing or of income,…
• v. (transitive) To make outstanding debts, e.g. taxes, payable.
• v. (transitive, programming) To explicitly include (a variable) as part of a list of variables, often providing…

demonstrate

• v. To display the method of using an object.
• v. To show the steps taken to create a logical argument or equation.
• v. To participate in or organize a demonstration.
• v. To show, display, present.

evidence

• n. Facts or observations presented in support of an assertion.
• n. (law) Anything admitted by a court to prove or disprove alleged matters of fact in a trial.
• n. One who bears witness.
• v. (transitive) To provide evidence for, or suggest the truth of.

manifest

• adj. Evident to the senses, especially to the sight; apparent; distinctly perceived.
• adj. Obvious to the understanding; apparent to the mind; easily apprehensible; plain; not obscure or hidden.
• adj. (rare, used with "of") Detected; convicted.
• n. (obsolete) A public declaration; an open statement; a manifesto or manifestation.
• n. A list or invoice of the passengers or goods being carried by a commercial vehicle or ship.
• n. (computing) A file containing metadata describing other files.
• v. To show plainly; to make to appear distinctly, usually to the mind; to put beyond question or doubt; to…
• v. To exhibit the manifests or prepared invoices of; to declare at the customhouse.

prove

• v. (transitive) To demonstrate that something is true or viable; to give proof for.
• v. (intransitive) To turn out; to manifest.
• v. (copulative) To turn out to be.
• v. (transitive) To put to the test, to make trial of.
• v. (transitive) To ascertain or establish the genuineness or validity of; to verify.
• v. (archaic, transitive) To experience.
• v. (printing, dated, transitive) To take a trial impression of; to take a proof of.
• v. simple past tense of proove.

show

• v. (transitive) To display, to have somebody see (something).
• v. (transitive) To bestow; to confer.
• v. (transitive) To indicate (a fact) to be true; to demonstrate.
• v. (transitive) To guide or escort.
• v. (intransitive) To be visible, to be seen.
• v. (intransitive, informal) To put in an appearance; show up.
• v. (intransitive, informal) To have an enlarged belly and thus be recognizable as pregnant.
• v. (intransitive, racing) To finish third, especially of horses or dogs.
• v. (obsolete) To have a certain appearance, such as well or ill, fit or unfit; to become or suit; to appear.
• n. (countable) A play, dance, or other entertainment.
• n. (countable) An exhibition of items.
• n. (countable) A demonstration.
• n. (countable) A broadcast program/programme.
• n. (countable) A movie.
• n. (uncountable) Mere display or pomp with no substance.
• n. A project or presentation.
• n. (baseball, with "the") The major leagues.
• n. (mining, obsolete) A pale blue flame at the top of a candle flame, indicating the presence of firedamp.
• n. (obsolete) Semblance; likeness; appearance.
• n. (medicine) A discharge, from the vagina, of mucus streaked with blood, occurring a short time before labor.

swan

• n. Any of various species of large, long-necked waterfowl, of genus Cygnus, most of which have white plumage.
• n. (figuratively) One whose grace etc. suggests a swan.
• n. (heraldry) This bird used as a heraldic charge, sometimes with a crown around its neck (e. g. the arms…
• v. (Britain, intransitive) To travel or move about in an aimless, idle, or pretentiously casual way.
• v. (US, dialectal or colloquial) To declare (chiefly in first-person present constructions).

swear

• v. (intransitive, transitive) To take an oath.
• v. (intransitive) To use offensive language.
• n. A swear word.
• adj. (Britain dialectal) Heavy.
• adj. (Britain dialectal) Top-heavy; too high.
• adj. (Britain dialectal) Dull; heavy; lazy; slow; reluctant; unwilling.
• adj. (Britain dialectal) Niggardly.
• adj. (Britain dialectal) A lazy time; a short rest during working hours (especially field labour); a siesta.
• v. (Britain dialectal) To be lazy; rest for a short while during working hours.

testify

• v. To make a declaration, or give evidence, under oath.
• v. To make a statement based on personal knowledge or faith.

verify

• v. (transitive) To substantiate or prove the truth of something.
• v. (transitive) To confirm or test the truth or accuracy of something.
• v. (transitive, law) To affirm something formally, under oath.