Confirmation, through the provision of objective evidence, that specified requirements have been fulfilled (e.g., an entity’s requirements have been correctly defined, or an entity’s attributes have been correctly presented; or a procedure or function performs as intended and leads to the expected outcome).
Source(s):
NIST SP 800-161 under Verification from CNSSI 4009, ISO 9000 - Adapted
NISTIR 7622 under Verification from CNSSI 4009, ISO 9000 - Adapted

  The process of testing the media to ensure the information cannot be read.
Source(s):
NIST SP 800-88 Rev. 1 under Verification

  Internal phase within the NVD where a second, usually more experienced, NVD Analyst verifies the work completed during the Initial Analysis.
Source(s):
NISTIR 8246 under Verification

  Process of producing objective evidence that sufficiently demonstrates that the system satisfies its security requirements and security characteristics with the level of assurance that applies to the system.
Source(s):
NISTIR 8323 under Verification from NIST SP 800-160 Vol. 1 - §3.4.9, Adapted

  See “Identity Verification”.
Source(s):
FIPS 201 [version unknown] under Verification