Infant baptism is the practice of baptising infants or young children. In theological discussions, the practice is sometimes referred to as paedobaptism or pedobaptism from the Greek pais meaning "child". The practice is sometimes contrasted with what is called "believer's baptism", or credobaptism, from the Latin word credo meaning "I believe", which is the religious practice of baptising only individuals who personally confess faith in Jesus, therefore excluding underage children. Infant baptism is also called christening by some faith traditions.