Parent

1. (n.) One who begets, or brings forth, offspring; a father or a mother.

2. (n.) That which produces; cause; source; author; begetter; as, idleness is the parent of vice.

Thesaurus Entries

agent, ancestor, ancestorial, ancestral, ancestress, author, begetter, beginner, catalyst, causer, creator, effector, engenderer, father, fatherlike, fatherly, generator, grandfatherly, grandmotherly, grandparent, grandparental, guardian, inspirer, instigator, maker, mater, materfamilias, maternal, mother, motherlike, motherly, mover, origin, originator, parental, pater, paterfamilias, paternal, patriarchal, prime mover, primum mobile, procreator, producer, progenitor, progenitress, progenitrix, root, sire, source, stepfather, stepmother