Chapter Cerograph to Cession of C by Webster's Dictionary (1913 Edition)

1. The quality, state, or condition, of being certain.

The certainty of punishment is the truest security against crimes.
Fisher Ames.

2. A fact or truth unquestionable established.

Certainties are uninteresting and sating.
Landor.

3. (Law) Clearness; freedom from ambiguity; lucidity.

Of a certainty, certainly.

Certes
(Cer"tes) adv. [F. certes, for à certes, fr. L. certus. See Certain.] Certainly; in truth; verily. [Archaic]

Certes it great pity was to see
Him his nobility so foul deface.
Spenser.

Certificate
(Cer*tif"i*cate) n. [F. certificat, fr. LL. certificatus made certain, p. p. of certificare. See tify.]

1. A written testimony to the truth of any fact; as, certificate of good behavior.

2. A written declaration legally authenticated.

Trial by certificate, a trial which the testimony of the person certifying is the only proper criterion of the point in dispute; as, when the issue is whether a person was absent in the army, this is tried by the certificate of the proper officer in writing, under his seal. Blackstone.

Certificate
(Cer*tif"i*cate) v. t. [imp. & p. p. Certificated; p. pr. & vb. n. Certificating.] [See Certify.]

1. To verify or vouch for by certificate.

2. To furnish with a certificate; as, to certificate the captain of a vessel; a certificated teacher.

Certification
(Cer`ti*fi*ca"tion) n.[L. certificatio: cf. F. certification.] The act of certifying.

Certifier
(Cer"ti*fi`er) n. One who certifies or assures.

Certify
(Cer"ti*fy) v. t. [imp. & p. p. Certified ; p. pr. & vb. n. Certifying.] [F. certifier, LL. certificare; L. certus certain + facere to make. See Certain, and cf. Certificate, v. t.]

1. To give cetain information to; to assure; to make certain.

We certify the king, that . . . thou shalt have no portion on this side the river.
Ezra iv. 16.

2. To give certain information of; to make certain, as a fact; to verify. Hammond.

The industry of science at once certifies and greatly extends our knowledge of the vastness of the creation.
I. Taylor.

3. To testify to in writing; to make a declaration concerning, in writing, under hand, or hand and seal.

The judges shall certify their opinion to the chancellor, and upon such certificate the decree is usually founded.
Blackstone.

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