Synonyms of the word

genitor

• n. a biological parent (either male or female), or the direct cause of an offspring.
• n. a generator; an originator.
• n. (obsolete, in the plural) The genitals.

primogenitor

• n. An initial ancestor.

progenitor

• n. A forefather, any of a person's direct ancestors.
• n. An individual from whom one or more people (dynasty, tribe, nation…) are descended.
• n. (biology) An ancestral form of a species.
• n. (figuratively) A predecessor of something, especially if also a precursor or model.
• n. (figuratively) Someone who originates something.
• n. A founder.