The Collaborative International Dictionary of English v.0.48:

correlated \correlated\ adj.
   1. mutually related.

   Syn: correlative, correlate.
        [WordNet 1.5]

   2. (Mathematics, statistics) showing a statistically
      significant relationship between the values of two or more
      variables; as, The statures of fathers and sons are
      correlated.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Correlate \Cor`re*late"\ (k[o^]r`r[-e]*l[=a]t" or
   k[o^]r"r[-e]*l[=a]t`), v. i. [imp. & p. p. Correlated; p.
   pr. & vb. n. Correlating.] [Pref. cor- + relate.]
   To have reciprocal or mutual relations; to be mutually
   related.
   [1913 Webster]

         Doctrine and worship correlate as theory and practice.
                                                  --Tylor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

correlated
    adj 1: mutually related [syn: correlative, correlate,
           correlated]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "correlated":
   affiliate, affiliated, allied, associate, associated, bound,
   bracketed, collateral, conjugate, connected, corelated,
   corelational, corelative, correlational, correlative, coupled,
   implicated, interlinked, interlocked, interrelated, involved,
   joined, knotted, linked, of that ilk, of that kind, parallel,
   related, spliced, tied, twinned, wed, wedded, yoked