Wit·ness, v. t. [imp. & p. p. Witnessed p. pr. & vb. n. Witnessing.]
  1. To see or know by personal presence; to have direct cognizance of.
     This is but a faint sketch of the incalculable calamities and horrors we must expect, should we ever witness the triumphs of modern infidelity.   --R. Hall.
     General Washington did not live to witness the restoration of peace.   --Marshall.
  2. To give testimony to; to testify to; to attest.
     Behold how many things they witness against thee.   --Mark xv. 4.
  3. Law To see the execution of, as an instrument, and subscribe it for the purpose of establishing its authenticity; as, to witness a bond or a deed.