relative

(noun) a person related by blood or marriage. Synonyms: relation. Examples: "Police are searching for relatives of the deceased." "He has distant relations back in new jersey."

(noun) an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus). Synonyms: congener, congenator, congeneric.

(adj) estimated by comparison; not absolute or complete. Synonyms: relative (vs. absolute), comparative. Example: "A relative stranger."

(adj) properly related in size or degree or other measurable characteristics; usually followed by `to'. Synonyms: proportional. Examples: "The punishment ought to be proportional to the crime." "Earnings relative to production."