'Relatedness' definitions:

Definition of 'relatedness'

From: WordNet
noun
A particular manner of connectedness; "the relatedness of all living things" [ant: unrelatedness]

Definition of 'Relatedness'

From: GCIDE
  • Relatedness \Re*lat"ed*ness\, n. The state or condition of being related; relationship; affinity. [R.] --Emerson. [1913 Webster]