The Collaborative International Dictionary of English v.0.48:

Reflexive \Re*flex"ive\ (-?v), a.
   1. [Cf. F. r['e]flexif.] Bending or turned backward;
      reflective; having respect to something past.
      [1913 Webster]

            Assurance reflexive can not be a divine faith.
                                                  --Hammond.
      [1913 Webster]

   2. Implying censure. [Obs.] "What man does not resent an ugly
      reflexive word?" --South.
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   3. (Gram.) Having for its direct object a pronoun which
      refers to the agent or subject as its antecedent; -- said
      of certain verbs; as, the witness perjured himself; I
      bethought myself. Applied also to pronouns of this class;
      reciprocal; reflective.
      [1913 Webster] -- Re*flex"ive*ly, adv. --
      Re*flex"ive*ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

reflexiveness
    n 1: the coreferential relation between a reflexive pronoun and
         its antecedent [syn: reflexivity, reflexiveness]
    2: (logic and mathematics) a relation such that it holds between
       an element and itself [syn: reflexivity, reflexiveness]