relative

Adjective

• properly related in size or degree or other measurable characteristics; usually followed by `to'
  • the punishment ought to be proportional to the crime
    
  • earnings relative to production
    

• estimated by comparison; not absolute or complete
  • a relative stranger
    

Noun

• an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)

• a person related by blood or marriage
  • police are searching for relatives of the deceased
    
  • he has distant relations back in New Jersey
    

Related words

• Synonyms: 
  proportional , comparative , congener , congenator , congeneric , relation