Use the noun paternity to describe the relationship a father has to his child. You might say, "His paternity is so clear — his daughter has the same red hair that he does!"

Fatherhood and the connection between a father and child is what paternity is all about, but the word most often comes up in legal situations. Attorneys use the word paternity when there is a question about who a child's biological father is or what kind of financial or legal responsibility he has. The Latin root is paternus, "relating to a father," from pater, "father."

Definitions of paternity

n the state of being a father

“tests were conducted to determine paternity
Type of:
the way something is with respect to its main attributes

n the kinship relation between an offspring and the father

Type of:
family relationship, kinship, relationship
(anthropology) relatedness or connection by blood or marriage or adoption

n the act of initiating a new idea or theory or writing

Type of:
creation, foundation, founding, initiation, innovation, instauration, institution, introduction, origination
the act of starting something for the first time; introducing something new

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