N.J. Stat. Ann. § 2A:22-1

The Superior Court shall allow an unmarried person of full age, a husband with his wife's consent, a wife with her husband's consent or a husband and wife jointly to adopt an adult person and may change the name of the adult, if the court is satisfied that the adopting parent or parents are of good moral character and of reputable standing in their community, and that the adoption will be to the advantage and benefit of the person to be adopted.