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. [ 1913 Webster ]

We certify the king, that . . . thou shalt have no portion on this side the river. Ezra iv. 16. [ 1913 Webster ]

2. 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. I. Taylor. [ 1913 Webster ]

3. 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. Blackstone. [ 1913 Webster ]

Certified check, A bank check, the validity of which is certified by the bank on which it is drawn. [ 1913 Webster ]