Certify

• POS: Verb (usu participle), Verb (transitive)
• HYPHEN: cer=ti=fy

CIDE DICTIONARY

Certify, v. t. [F. certifier, LL. certificare; L. certus certain + facere to make. See Certain, and cf. Certificate, v. t.].

•  To give cetain information to; to assure; to make certain.  [1913 Webster]

  "We certify the king, that . . . thou shalt have no portion on this side the river."  [1913 Webster]
•  To give certain information of; to make certain, as a fact; to verify.  Hammond.  [1913 Webster]

  "The industry of science at once certifies and greatly extends our knowledge of the vastness of the creation."  [1913 Webster]
•  To testify to in writing; to make a declaration concerning, in writing, under hand, or hand and seal.  [1913 Webster]

  "The judges shall certify their opinion to the chancellor, and upon such certificate the decree is usually founded."  [1913 Webster]

Certified check, A bank check, the validity of which is certified by the bank on which it is drawn.

OXFORD DICTIONARY

Certify, v.tr. (-ies, -ied)
1 make a formal statement of; attest; attest to (certified that he had witnessed the crime).
2 declare by certificate (that a person is qualified or competent) (certified as a trained bookkeeper).
3 officially declare insane (he should be certified).

Idiom

certified cheque a cheque the validity of which is guaranteed by a bank. certified mail US = recorded delivery (see RECORD). certified milk milk guaranteed free from the tuberculosis bacillus.

Etymology

ME f. OF certifier f. med.L certificare f. L certus certain

THESAURUS

Certify

OK, accept, accredit, acknowledge, affirm, allege, amen, and candle, approve, ascertain, assert, assert under oath, asseverate, assure, attest, authenticate, authorize, autograph, aver, avouch, avow, back, back up, be sponsor for, bear out, bear witness, bolster, bond, book, buttress, certificate, charter, cinch, circumstantiate, classify, clear up, clinch, commission, confirm, corroborate, cosign, countersecure, countersign, decide, declare, depone, depose, determine, disclose, dismiss all doubt, document, empower, enable, endorse, enfranchise, ensure, entitle, establish, find out, fix, fortify, franchise, get at, give evidence, give official sanction, give permission, give power, give the go-ahead, give the imprimatur, give thumbs up, guarantee, guaranty, initial, insure, kiss the book, legalize, legitimize, license, make certain, make no doubt, make no mistake, make sure, make sure of, nail down, notarize, pass, pass on, pass upon, patent, permit, privilege, probate, profess, prove, ratify, reassure, reinforce, remove all doubt, rubber stamp, sanction, say amen to, seal, second, secure, see that, see to it, set at rest, settle, sign, sign and seal, sign for, sort out, sponsor, stand behind, stand up for, strengthen, subscribe to, substantiate, support, sustain, swear, swear and affirm, swear by bell, swear the truth, swear to, swear to God, swear to goodness, testify, undergird, undersign, underwrite, uphold, validate, verify, visa, vise, vouch, vouch for, vouchsafe, vow, warrant, witness

ROGET THESAURUS

Certify

Evidence

VB be evidence, evince, show, betoken, tell of, indicate, imply, involve, argue, bespeak, breathe, have weight, carry weight, tell, speak volumes, speak for itself, rest upon, depend upon, repose on, bear witness, give evidence, testify, depose, witness, vouch for, sign, seal, undersign, set one's hand and seal, sign and seal, deliver as one's act and deed, certify, attest, acknowledge, make absolute, confirm, prove (demonstrate), indorse, countersign, corroborate, support, ratify, bear out, uphold, warrant, adduce, attest, cite, quote, refer to, appeal to, call, call to witness, bring forward, bring into court, allege, plead, produce witnesses, confront witnesses, place into evidence, mark into evidence, collect evidence, bring together evidence, rake up evidence, experiment, have a case, make out a case, establish, authenticate, substantiate, verify, make good, quote chapter and verse, bring home to, bring to book.

Affirmation

VB assert, make an assertion, have one's say, say, affirm, predicate, declare, state, protest, profess, put forth, put forward, advance, allege, propose, propound, enunciate, broach, set forth, hold out, maintain, contend, pronounce, pretend, depose, depone, aver, avow, avouch, asseverate, swear, make oath, take one's oath, make an affidavit, swear an affidavit, put in an affidavit, take one's Bible oath, kiss the book, vow, vitam impendere vero, swear till one is black in the face, swear till one is blue in the face, swear till all's blue, be sworn, call Heaven to witness, vouch, warrant, certify, assure, swear by bell book and candle, swear by, insist upon, take one's stand upon, emphasize, lay stress on, assert roundly, assert positively, lay down, lay down the law, raise one's voice, dogmatize, have the last word, rap out, repeat, reassert, reaffirm, announce, acknowledge, attest, adjure.