[1] : The Collaborative International Dictionary of English v.0.48

certify \cer"tify\, 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
see also:
certified certifying certain certificate certified check 

Certifying >> C Words
Certifying, definition of term: Certifying
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