The Collaborative International Dictionary of English v.0.48:

Immanence \Im"ma*nence\, Immanency \Im"ma*nen*cy\, n.
   The condition or quality of being immanent; inherence; an
   indwelling.
   [1913 Webster]

         [Clement] is mainly concerned in enforcing the
         immanence of God. Christ is everywhere presented by him
         as Deity indwelling in the world.        --A. V. G.
                                                  Allen.
   [1913 Webster]

WordNet (r) 3.0 (2006):

immanence
    n 1: the state of being within or not going beyond a given
         domain [syn: immanence, immanency]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "immanence":
   accessibility, actual presence, availability, being here,
   being there, essentiality, existence, fundamentality, hereness,
   immediacy, inbeing, indigenousness, indwelling, indwellingness,
   inherence, innateness, innerness, internality, intrinsicality,
   inwardness, nonobjectivity, occurrence, physical presence,
   presence, spiritual presence, subjectivity, thereness, ubiety,
   whereness