adjective (a)

• all of the same or similar kind or nature(adj.all)

  Synonym:
  homogeneous
  Antonym:
  heterogeneous, heterogenous
  

  source: wordnet30
• Having a resemblance in structure, due to descent from a common progenitor with subsequent modification; homogenetic; -- applied both to animals and plants. See Homoplastic.(adjective)

  source: webster1913