Father (noun)

1. A man in relation to his child or children.
2. A man who has begotten a child.
3. A male ancestor more remote than a parent.
4. A man who is considered to be the founder, leader, or senior member of a group, organization, or movement.
5. A man who is older and more experienced and respected in a particular field or profession.

Origin:

Old english fæder, of germanic origin; related to dutch vader and german vater.

Examples:

1. I have a good father.
2. She is the mother of my children.
3. He is a father of three children.
4. They are the father and mother.
5. We are the father of the nation.