parental

adj

1. Of or relating to a parent.
2. Befitting a parent; affectionate; tender.
3. Of the generation of organisms that produce a hybrid.

   “This, following Bateson, we may call the parental generation or P generation. Subsequent generations are called filial generations (abbreviated F) and their numerical order is indicated by a subscript, [...]”

noun

1. A person fulfilling a parental role.

   “Nowadays there are all kinds of potential parentals besides parents, grandparents, aunts and uncles, step-parents, in-laws, older siblings and cousins, and those in civil unions.”