In a parental manner, like a parent.

A person fulfilling a parental role.

of or relating to a parent / befitting a parent; affectionate; tender / (genetics) of the generation of organisms that produce a hybrid

One of the two persons from whom one is immediately biologically descended; a mother or father. / A surrogate parent

plural of parental

To act as parent, to raise or rear.

A surname.

Discrimination against parents. / Resentment felt by parents towards people who have chosen not to have children.

agent noun of parent

simple past tense and past participle of parent