The Collaborative International Dictionary of English v.0.48:

Integrity \In*teg"ri*ty\, n. [L. integritas: cf. F.
   int['e]grit['e]. See Integer, and cf. Entirety.]
   [1913 Webster]
   1. The state or quality of being entire or complete;
      wholeness; entireness; unbroken state; as, the integrity
      of an empire or territory. --Sir T. More.
      [1913 Webster]

   2. Moral soundness; honesty; freedom from corrupting
      influence or motive; -- used especially with reference to
      the fulfillment of contracts, the discharge of agencies,
      trusts, and the like; uprightness; rectitude.
      [1913 Webster]

            The moral grandeur of independent integrity is the
            sublimest thing in nature.            --Buckminster.
      [1913 Webster]

            Their sober zeal, integrity, and worth. --Cowper.
      [1913 Webster]

   3. Unimpaired, unadulterated, or genuine state; entire
      correspondence with an original condition; purity.
      [1913 Webster]

            Language continued long in its purity and integrity.
                                                  --Sir M. Hale.

   Syn: Honesty; uprightness; rectitude. See Probity.
        [1913 Webster]

WordNet (r) 3.0 (2006):

integrity
    n 1: an undivided or unbroken completeness or totality with
         nothing wanting; "the integrity of the nervous system is
         required for normal development"; "he took measures to
         insure the territorial unity of Croatia" [syn: integrity,
         unity, wholeness]
    2: moral soundness; "he expects to find in us the common honesty
       and integrity of men of business"; "they admired his
       scrupulous professional integrity"

Moby Thesaurus II by Grady Ward, 1.0:

129 Moby Thesaurus words for "integrity":
   absoluteness, assured probity, blamelessness, character, cleanness,
   coherence, collectivity, combination, completeness, complex,
   comprehensiveness, decency, differentiation, differentness,
   distinctiveness, egohood, elementarity, embodiment, entireness,
   entirety, erectness, estimableness, exhaustiveness, fairness,
   forthrightness, fullness, fundamentality, fusion, good character,
   goodness, high ideals, high principles, high-mindedness,
   homogeneity, honesty, honor, honorableness, human factor, identity,
   immaculacy, inclusiveness, incorruptibility, incorruption,
   individualism, individuality, indivisibility, intactness, integer,
   integrality, integration, inviolability, irreducibility,
   irreproachability, irreproachableness, justice, justness, monism,
   moral excellence, moral strength, morality, nobility, nominalism,
   nonconformity, omnipresence, oneness, organic unity, particularism,
   particularity, perfection, personal equation, personal identity,
   personality, personship, pervasiveness, plainness, plenitude,
   principle, principles, probity, pureness, purity, rectitude,
   reputability, respectability, righteousness, self-identity,
   selfhood, selfness, selfsameness, severity, simpleness, simplicity,
   singleness, singularity, solidarity, solidification, solidity,
   soul, soundness, stability, stainlessness, starkness,
   straightforwardness, thoroughness, togetherness, totality,
   trustworthiness, ubiquity, unadulteration, undividedness,
   unification, uniformity, unimpeachability, unimpeachableness,
   uniqueness, unity, universality, univocity, unmixedness,
   unsophistication, unspottedness, uprightness, upstandingness,
   veracity, virtue, virtuousness, whole, wholeness, worthiness



The Free On-line Dictionary of Computing (30 December 2018):

integrity

   1.  data integrity.

   2.  referential integrity.